Home / 932,721.30-1,398,045.15-400,151.70

Finding the Fourth Proportional to 932,721.30, 1,398,045.15 and 400,151.70

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Solution

The fourth proportional to 932,721.30, 1,398,045.15 and 400,151.70 is: 599,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,721.30 : 1,398,045.15 = 400,151.70 : x
  2. Step 2: Convert to fraction form
    932,721.30/1,398,045.15 = 400,151.70/x
  3. Step 3: Cross multiply
    932,721.30x = 1,398,045.15 × 400,151.70
  4. Step 4: Simplify right side
    932,721.30x = 559,430,143,449.26
  5. Step 5: Solve for x
    x = 559,430,143,449.26/932,721.30
  6. Step 6: Final answer
    x = 599,782.75

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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.