Home / 672,359.11-927,839.59-366,445.15

Finding the Fourth Proportional to 672,359.11, 927,839.59 and 366,445.15

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Solution

The fourth proportional to 672,359.11, 927,839.59 and 366,445.15 is: 505,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,359.11 : 927,839.59 = 366,445.15 : x
  2. Step 2: Convert to fraction form
    672,359.11/927,839.59 = 366,445.15/x
  3. Step 3: Cross multiply
    672,359.11x = 927,839.59 × 366,445.15
  4. Step 4: Simplify right side
    672,359.11x = 340,002,317,733.49
  5. Step 5: Solve for x
    x = 340,002,317,733.49/672,359.11
  6. Step 6: Final answer
    x = 505,685.60

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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.