Home / 890,178.30-1,334,677.05-491,010.30

Finding the Fourth Proportional to 890,178.30, 1,334,677.05 and 491,010.30

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Solution

The fourth proportional to 890,178.30, 1,334,677.05 and 491,010.30 is: 736,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,178.30 : 1,334,677.05 = 491,010.30 : x
  2. Step 2: Convert to fraction form
    890,178.30/1,334,677.05 = 491,010.30/x
  3. Step 3: Cross multiply
    890,178.30x = 1,334,677.05 × 491,010.30
  4. Step 4: Simplify right side
    890,178.30x = 655,340,178,723.62
  5. Step 5: Solve for x
    x = 655,340,178,723.62/890,178.30
  6. Step 6: Final answer
    x = 736,189.79

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Double scale
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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.