Home / 887,065.65-1,224,151.02-479,167.47

Finding the Fourth Proportional to 887,065.65, 1,224,151.02 and 479,167.47

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Solution

The fourth proportional to 887,065.65, 1,224,151.02 and 479,167.47 is: 661,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,065.65 : 1,224,151.02 = 479,167.47 : x
  2. Step 2: Convert to fraction form
    887,065.65/1,224,151.02 = 479,167.47/x
  3. Step 3: Cross multiply
    887,065.65x = 1,224,151.02 × 479,167.47
  4. Step 4: Simplify right side
    887,065.65x = 586,573,347,151.32
  5. Step 5: Solve for x
    x = 586,573,347,151.32/887,065.65
  6. Step 6: Final answer
    x = 661,251.34

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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.