Home / 758,818.60-1,045,989.98-516,684.89

Finding the Fourth Proportional to 758,818.60, 1,045,989.98 and 516,684.89

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Solution

The fourth proportional to 758,818.60, 1,045,989.98 and 516,684.89 is: 712,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,818.60 : 1,045,989.98 = 516,684.89 : x
  2. Step 2: Convert to fraction form
    758,818.60/1,045,989.98 = 516,684.89/x
  3. Step 3: Cross multiply
    758,818.60x = 1,045,989.98 × 516,684.89
  4. Step 4: Simplify right side
    758,818.60x = 540,447,217,788.95
  5. Step 5: Solve for x
    x = 540,447,217,788.95/758,818.60
  6. Step 6: Final answer
    x = 712,221.89

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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.