Home / 709,822.20-1,065,510.90-394,894.20

Finding the Fourth Proportional to 709,822.20, 1,065,510.90 and 394,894.20

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Solution

The fourth proportional to 709,822.20, 1,065,510.90 and 394,894.20 is: 592,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,822.20 : 1,065,510.90 = 394,894.20 : x
  2. Step 2: Convert to fraction form
    709,822.20/1,065,510.90 = 394,894.20/x
  3. Step 3: Cross multiply
    709,822.20x = 1,065,510.90 × 394,894.20
  4. Step 4: Simplify right side
    709,822.20x = 420,764,074,446.78
  5. Step 5: Solve for x
    x = 420,764,074,446.78/709,822.20
  6. Step 6: Final answer
    x = 592,773.90

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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.