Home / 753,132.66-1,039,341.15-413,608.20

Finding the Fourth Proportional to 753,132.66, 1,039,341.15 and 413,608.20

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Solution

The fourth proportional to 753,132.66, 1,039,341.15 and 413,608.20 is: 570,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,132.66 : 1,039,341.15 = 413,608.20 : x
  2. Step 2: Convert to fraction form
    753,132.66/1,039,341.15 = 413,608.20/x
  3. Step 3: Cross multiply
    753,132.66x = 1,039,341.15 × 413,608.20
  4. Step 4: Simplify right side
    753,132.66x = 429,880,022,237.43
  5. Step 5: Solve for x
    x = 429,880,022,237.43/753,132.66
  6. Step 6: Final answer
    x = 570,789.24

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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.