Home / 743,129.72-1,025,520.98-437,217.62

Finding the Fourth Proportional to 743,129.72, 1,025,520.98 and 437,217.62

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Solution

The fourth proportional to 743,129.72, 1,025,520.98 and 437,217.62 is: 603,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,129.72 : 1,025,520.98 = 437,217.62 : x
  2. Step 2: Convert to fraction form
    743,129.72/1,025,520.98 = 437,217.62/x
  3. Step 3: Cross multiply
    743,129.72x = 1,025,520.98 × 437,217.62
  4. Step 4: Simplify right side
    743,129.72x = 448,375,842,513.38
  5. Step 5: Solve for x
    x = 448,375,842,513.38/743,129.72
  6. Step 6: Final answer
    x = 603,361.48

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Double scale
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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.