Home / 676,641.35-1,014,644.17-392,412.68

Finding the Fourth Proportional to 676,641.35, 1,014,644.17 and 392,412.68

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Solution

The fourth proportional to 676,641.35, 1,014,644.17 and 392,412.68 is: 588,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,641.35 : 1,014,644.17 = 392,412.68 : x
  2. Step 2: Convert to fraction form
    676,641.35/1,014,644.17 = 392,412.68/x
  3. Step 3: Cross multiply
    676,641.35x = 1,014,644.17 × 392,412.68
  4. Step 4: Simplify right side
    676,641.35x = 398,159,237,996.08
  5. Step 5: Solve for x
    x = 398,159,237,996.08/676,641.35
  6. Step 6: Final answer
    x = 588,434.68

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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.