Home / 690,854.20-1,036,281.30-241,425.70

Finding the Fourth Proportional to 690,854.20, 1,036,281.30 and 241,425.70

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Solution

The fourth proportional to 690,854.20, 1,036,281.30 and 241,425.70 is: 362,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,854.20 : 1,036,281.30 = 241,425.70 : x
  2. Step 2: Convert to fraction form
    690,854.20/1,036,281.30 = 241,425.70/x
  3. Step 3: Cross multiply
    690,854.20x = 1,036,281.30 × 241,425.70
  4. Step 4: Simplify right side
    690,854.20x = 250,184,938,249.41
  5. Step 5: Solve for x
    x = 250,184,938,249.41/690,854.20
  6. Step 6: Final answer
    x = 362,138.55

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Double scale
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Similar ratio
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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.