Home / 758,340.30-1,046,516.76-431,637.38

Finding the Fourth Proportional to 758,340.30, 1,046,516.76 and 431,637.38

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Solution

The fourth proportional to 758,340.30, 1,046,516.76 and 431,637.38 is: 595,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,340.30 : 1,046,516.76 = 431,637.38 : x
  2. Step 2: Convert to fraction form
    758,340.30/1,046,516.76 = 431,637.38/x
  3. Step 3: Cross multiply
    758,340.30x = 1,046,516.76 × 431,637.38
  4. Step 4: Simplify right side
    758,340.30x = 451,715,752,412.49
  5. Step 5: Solve for x
    x = 451,715,752,412.49/758,340.30
  6. Step 6: Final answer
    x = 595,663.65

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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.