Home / 709,849.20-1,065,292.20-499,897.20

Finding the Fourth Proportional to 709,849.20, 1,065,292.20 and 499,897.20

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Solution

The fourth proportional to 709,849.20, 1,065,292.20 and 499,897.20 is: 750,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,849.20 : 1,065,292.20 = 499,897.20 : x
  2. Step 2: Convert to fraction form
    709,849.20/1,065,292.20 = 499,897.20/x
  3. Step 3: Cross multiply
    709,849.20x = 1,065,292.20 × 499,897.20
  4. Step 4: Simplify right side
    709,849.20x = 532,536,587,961.84
  5. Step 5: Solve for x
    x = 532,536,587,961.84/709,849.20
  6. Step 6: Final answer
    x = 750,210.87

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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.