Home / 814,807.59-1,124,491.31-538,685.71

Finding the Fourth Proportional to 814,807.59, 1,124,491.31 and 538,685.71

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Solution

The fourth proportional to 814,807.59, 1,124,491.31 and 538,685.71 is: 743,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,807.59 : 1,124,491.31 = 538,685.71 : x
  2. Step 2: Convert to fraction form
    814,807.59/1,124,491.31 = 538,685.71/x
  3. Step 3: Cross multiply
    814,807.59x = 1,124,491.31 × 538,685.71
  4. Step 4: Simplify right side
    814,807.59x = 605,747,399,657.28
  5. Step 5: Solve for x
    x = 605,747,399,657.28/814,807.59
  6. Step 6: Final answer
    x = 743,423.85

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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.