Home / 690,505.20-1,034,008.20-550,537.20

Finding the Fourth Proportional to 690,505.20, 1,034,008.20 and 550,537.20

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Solution

The fourth proportional to 690,505.20, 1,034,008.20 and 550,537.20 is: 824,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,505.20 : 1,034,008.20 = 550,537.20 : x
  2. Step 2: Convert to fraction form
    690,505.20/1,034,008.20 = 550,537.20/x
  3. Step 3: Cross multiply
    690,505.20x = 1,034,008.20 × 550,537.20
  4. Step 4: Simplify right side
    690,505.20x = 569,259,979,205.04
  5. Step 5: Solve for x
    x = 569,259,979,205.04/690,505.20
  6. Step 6: Final answer
    x = 824,410.85

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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.