Home / 709,078.38-1,063,929.75-372,037.76

Finding the Fourth Proportional to 709,078.38, 1,063,929.75 and 372,037.76

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Solution

The fourth proportional to 709,078.38, 1,063,929.75 and 372,037.76 is: 558,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,078.38 : 1,063,929.75 = 372,037.76 : x
  2. Step 2: Convert to fraction form
    709,078.38/1,063,929.75 = 372,037.76/x
  3. Step 3: Cross multiply
    709,078.38x = 1,063,929.75 × 372,037.76
  4. Step 4: Simplify right side
    709,078.38x = 395,822,038,262.31
  5. Step 5: Solve for x
    x = 395,822,038,262.31/709,078.38
  6. Step 6: Final answer
    x = 558,220.43

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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.