Home / 713,983.42-1,069,517.12-398,608.30

Finding the Fourth Proportional to 713,983.42, 1,069,517.12 and 398,608.30

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Solution

The fourth proportional to 713,983.42, 1,069,517.12 and 398,608.30 is: 597,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,983.42 : 1,069,517.12 = 398,608.30 : x
  2. Step 2: Convert to fraction form
    713,983.42/1,069,517.12 = 398,608.30/x
  3. Step 3: Cross multiply
    713,983.42x = 1,069,517.12 × 398,608.30
  4. Step 4: Simplify right side
    713,983.42x = 426,318,401,024.10
  5. Step 5: Solve for x
    x = 426,318,401,024.10/713,983.42
  6. Step 6: Final answer
    x = 597,098.46

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Double scale
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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.