Home / 741,136.20-1,112,741.10-461,200.20

Finding the Fourth Proportional to 741,136.20, 1,112,741.10 and 461,200.20

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Solution

The fourth proportional to 741,136.20, 1,112,741.10 and 461,200.20 is: 692,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,136.20 : 1,112,741.10 = 461,200.20 : x
  2. Step 2: Convert to fraction form
    741,136.20/1,112,741.10 = 461,200.20/x
  3. Step 3: Cross multiply
    741,136.20x = 1,112,741.10 × 461,200.20
  4. Step 4: Simplify right side
    741,136.20x = 513,196,417,868.22
  5. Step 5: Solve for x
    x = 513,196,417,868.22/741,136.20
  6. Step 6: Final answer
    x = 692,445.49

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Half scale
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Double scale
Find fourth proportional to 741,137.20, 1,112,742.60 and 461,201.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.