Home / 712,226.17-982,834.77-389,874.52

Finding the Fourth Proportional to 712,226.17, 982,834.77 and 389,874.52

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Solution

The fourth proportional to 712,226.17, 982,834.77 and 389,874.52 is: 538,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,226.17 : 982,834.77 = 389,874.52 : x
  2. Step 2: Convert to fraction form
    712,226.17/982,834.77 = 389,874.52/x
  3. Step 3: Cross multiply
    712,226.17x = 982,834.77 × 389,874.52
  4. Step 4: Simplify right side
    712,226.17x = 383,182,234,193.06
  5. Step 5: Solve for x
    x = 383,182,234,193.06/712,226.17
  6. Step 6: Final answer
    x = 538,006.40

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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.