Home / 927,224.68-1,391,036.80-287,515.52

Finding the Fourth Proportional to 927,224.68, 1,391,036.80 and 287,515.52

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Solution

The fourth proportional to 927,224.68, 1,391,036.80 and 287,515.52 is: 431,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,224.68 : 1,391,036.80 = 287,515.52 : x
  2. Step 2: Convert to fraction form
    927,224.68/1,391,036.80 = 287,515.52/x
  3. Step 3: Cross multiply
    927,224.68x = 1,391,036.80 × 287,515.52
  4. Step 4: Simplify right side
    927,224.68x = 399,944,668,891.14
  5. Step 5: Solve for x
    x = 399,944,668,891.14/927,224.68
  6. Step 6: Final answer
    x = 431,335.23

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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.