Home / 709,951.20-1,065,445.20-499,999.20

Finding the Fourth Proportional to 709,951.20, 1,065,445.20 and 499,999.20

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Solution

The fourth proportional to 709,951.20, 1,065,445.20 and 499,999.20 is: 750,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,951.20 : 1,065,445.20 = 499,999.20 : x
  2. Step 2: Convert to fraction form
    709,951.20/1,065,445.20 = 499,999.20/x
  3. Step 3: Cross multiply
    709,951.20x = 1,065,445.20 × 499,999.20
  4. Step 4: Simplify right side
    709,951.20x = 532,721,747,643.84
  5. Step 5: Solve for x
    x = 532,721,747,643.84/709,951.20
  6. Step 6: Final answer
    x = 750,363.89

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1.5x scale

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.