Home / 710,353.20-1,065,414.66-260,963.52

Finding the Fourth Proportional to 710,353.20, 1,065,414.66 and 260,963.52

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Solution

The fourth proportional to 710,353.20, 1,065,414.66 and 260,963.52 is: 391,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,353.20 : 1,065,414.66 = 260,963.52 : x
  2. Step 2: Convert to fraction form
    710,353.20/1,065,414.66 = 260,963.52/x
  3. Step 3: Cross multiply
    710,353.20x = 1,065,414.66 × 260,963.52
  4. Step 4: Simplify right side
    710,353.20x = 278,034,359,933.20
  5. Step 5: Solve for x
    x = 278,034,359,933.20/710,353.20
  6. Step 6: Final answer
    x = 391,402.98

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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.