Home / 925,474.60-1,388,211.90-426,838.60

Finding the Fourth Proportional to 925,474.60, 1,388,211.90 and 426,838.60

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Solution

The fourth proportional to 925,474.60, 1,388,211.90 and 426,838.60 is: 640,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,474.60 : 1,388,211.90 = 426,838.60 : x
  2. Step 2: Convert to fraction form
    925,474.60/1,388,211.90 = 426,838.60/x
  3. Step 3: Cross multiply
    925,474.60x = 1,388,211.90 × 426,838.60
  4. Step 4: Simplify right side
    925,474.60x = 592,542,423,899.34
  5. Step 5: Solve for x
    x = 592,542,423,899.34/925,474.60
  6. Step 6: Final answer
    x = 640,257.90

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Similar ratio
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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.