Home / 695,428.20-1,043,142.30-446,596.20

Finding the Fourth Proportional to 695,428.20, 1,043,142.30 and 446,596.20

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Solution

The fourth proportional to 695,428.20, 1,043,142.30 and 446,596.20 is: 669,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,428.20 : 1,043,142.30 = 446,596.20 : x
  2. Step 2: Convert to fraction form
    695,428.20/1,043,142.30 = 446,596.20/x
  3. Step 3: Cross multiply
    695,428.20x = 1,043,142.30 × 446,596.20
  4. Step 4: Simplify right side
    695,428.20x = 465,863,387,239.26
  5. Step 5: Solve for x
    x = 465,863,387,239.26/695,428.20
  6. Step 6: Final answer
    x = 669,894.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.