Home / 495,508.20-683,897.21-323,126.90

Finding the Fourth Proportional to 495,508.20, 683,897.21 and 323,126.90

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Solution

The fourth proportional to 495,508.20, 683,897.21 and 323,126.90 is: 445,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,508.20 : 683,897.21 = 323,126.90 : x
  2. Step 2: Convert to fraction form
    495,508.20/683,897.21 = 323,126.90/x
  3. Step 3: Cross multiply
    495,508.20x = 683,897.21 × 323,126.90
  4. Step 4: Simplify right side
    495,508.20x = 220,985,585,385.95
  5. Step 5: Solve for x
    x = 220,985,585,385.95/495,508.20
  6. Step 6: Final answer
    x = 445,977.66

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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.