Home / 758,770.69-1,138,966.29-326,702.19

Finding the Fourth Proportional to 758,770.69, 1,138,966.29 and 326,702.19

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Solution

The fourth proportional to 758,770.69, 1,138,966.29 and 326,702.19 is: 490,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,770.69 : 1,138,966.29 = 326,702.19 : x
  2. Step 2: Convert to fraction form
    758,770.69/1,138,966.29 = 326,702.19/x
  3. Step 3: Cross multiply
    758,770.69x = 1,138,966.29 × 326,702.19
  4. Step 4: Simplify right side
    758,770.69x = 372,102,781,279.18
  5. Step 5: Solve for x
    x = 372,102,781,279.18/758,770.69
  6. Step 6: Final answer
    x = 490,402.15

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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.