Home / 887,807.75-1,225,174.10-479,909.57

Finding the Fourth Proportional to 887,807.75, 1,225,174.10 and 479,909.57

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Solution

The fourth proportional to 887,807.75, 1,225,174.10 and 479,909.57 is: 662,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,807.75 : 1,225,174.10 = 479,909.57 : x
  2. Step 2: Convert to fraction form
    887,807.75/1,225,174.10 = 479,909.57/x
  3. Step 3: Cross multiply
    887,807.75x = 1,225,174.10 × 479,909.57
  4. Step 4: Simplify right side
    887,807.75x = 587,972,766,980.72
  5. Step 5: Solve for x
    x = 587,972,766,980.72/887,807.75
  6. Step 6: Final answer
    x = 662,274.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.