Home / 740,977.05-1,022,172.12-468,586.20

Finding the Fourth Proportional to 740,977.05, 1,022,172.12 and 468,586.20

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Solution

The fourth proportional to 740,977.05, 1,022,172.12 and 468,586.20 is: 646,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,977.05 : 1,022,172.12 = 468,586.20 : x
  2. Step 2: Convert to fraction form
    740,977.05/1,022,172.12 = 468,586.20/x
  3. Step 3: Cross multiply
    740,977.05x = 1,022,172.12 × 468,586.20
  4. Step 4: Simplify right side
    740,977.05x = 478,975,749,456.74
  5. Step 5: Solve for x
    x = 478,975,749,456.74/740,977.05
  6. Step 6: Final answer
    x = 646,411.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.