Home / 676,899.18-1,015,010.70-221,430.95

Finding the Fourth Proportional to 676,899.18, 1,015,010.70 and 221,430.95

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Solution

The fourth proportional to 676,899.18, 1,015,010.70 and 221,430.95 is: 332,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,899.18 : 1,015,010.70 = 221,430.95 : x
  2. Step 2: Convert to fraction form
    676,899.18/1,015,010.70 = 221,430.95/x
  3. Step 3: Cross multiply
    676,899.18x = 1,015,010.70 × 221,430.95
  4. Step 4: Simplify right side
    676,899.18x = 224,754,781,462.04
  5. Step 5: Solve for x
    x = 224,754,781,462.04/676,899.18
  6. Step 6: Final answer
    x = 332,035.83

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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.