Home / 690,499.20-1,033,999.20-550,531.20

Finding the Fourth Proportional to 690,499.20, 1,033,999.20 and 550,531.20

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Solution

The fourth proportional to 690,499.20, 1,033,999.20 and 550,531.20 is: 824,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,499.20 : 1,033,999.20 = 550,531.20 : x
  2. Step 2: Convert to fraction form
    690,499.20/1,033,999.20 = 550,531.20/x
  3. Step 3: Cross multiply
    690,499.20x = 1,033,999.20 × 550,531.20
  4. Step 4: Simplify right side
    690,499.20x = 569,248,820,375.04
  5. Step 5: Solve for x
    x = 569,248,820,375.04/690,499.20
  6. Step 6: Final answer
    x = 824,401.85

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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.