Home / 690,909.20-1,036,363.80-241,480.70

Finding the Fourth Proportional to 690,909.20, 1,036,363.80 and 241,480.70

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Solution

The fourth proportional to 690,909.20, 1,036,363.80 and 241,480.70 is: 362,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,909.20 : 1,036,363.80 = 241,480.70 : x
  2. Step 2: Convert to fraction form
    690,909.20/1,036,363.80 = 241,480.70/x
  3. Step 3: Cross multiply
    690,909.20x = 1,036,363.80 × 241,480.70
  4. Step 4: Simplify right side
    690,909.20x = 250,261,855,878.66
  5. Step 5: Solve for x
    x = 250,261,855,878.66/690,909.20
  6. Step 6: Final answer
    x = 362,221.05

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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.