Home / 676,646.74-1,014,652.24-392,418.06

Finding the Fourth Proportional to 676,646.74, 1,014,652.24 and 392,418.06

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Solution

The fourth proportional to 676,646.74, 1,014,652.24 and 392,418.06 is: 588,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,646.74 : 1,014,652.24 = 392,418.06 : x
  2. Step 2: Convert to fraction form
    676,646.74/1,014,652.24 = 392,418.06/x
  3. Step 3: Cross multiply
    676,646.74x = 1,014,652.24 × 392,418.06
  4. Step 4: Simplify right side
    676,646.74x = 398,167,863,595.45
  5. Step 5: Solve for x
    x = 398,167,863,595.45/676,646.74
  6. Step 6: Final answer
    x = 588,442.74

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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.