Home / 817,725.76-1,127,983.24-531,436.52

Finding the Fourth Proportional to 817,725.76, 1,127,983.24 and 531,436.52

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Solution

The fourth proportional to 817,725.76, 1,127,983.24 and 531,436.52 is: 733,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,725.76 : 1,127,983.24 = 531,436.52 : x
  2. Step 2: Convert to fraction form
    817,725.76/1,127,983.24 = 531,436.52/x
  3. Step 3: Cross multiply
    817,725.76x = 1,127,983.24 × 531,436.52
  4. Step 4: Simplify right side
    817,725.76x = 599,451,487,683.93
  5. Step 5: Solve for x
    x = 599,451,487,683.93/817,725.76
  6. Step 6: Final answer
    x = 733,071.55

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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.