Home / 642,650.85-964,306.35-283,073.67

Finding the Fourth Proportional to 642,650.85, 964,306.35 and 283,073.67

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Solution

The fourth proportional to 642,650.85, 964,306.35 and 283,073.67 is: 424,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,650.85 : 964,306.35 = 283,073.67 : x
  2. Step 2: Convert to fraction form
    642,650.85/964,306.35 = 283,073.67/x
  3. Step 3: Cross multiply
    642,650.85x = 964,306.35 × 283,073.67
  4. Step 4: Simplify right side
    642,650.85x = 272,969,737,498.80
  5. Step 5: Solve for x
    x = 272,969,737,498.80/642,650.85
  6. Step 6: Final answer
    x = 424,755.90

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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.