Home / 466,288.20-699,432.30-458,512.20

Finding the Fourth Proportional to 466,288.20, 699,432.30 and 458,512.20

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Solution

The fourth proportional to 466,288.20, 699,432.30 and 458,512.20 is: 687,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,288.20 : 699,432.30 = 458,512.20 : x
  2. Step 2: Convert to fraction form
    466,288.20/699,432.30 = 458,512.20/x
  3. Step 3: Cross multiply
    466,288.20x = 699,432.30 × 458,512.20
  4. Step 4: Simplify right side
    466,288.20x = 320,698,242,624.06
  5. Step 5: Solve for x
    x = 320,698,242,624.06/466,288.20
  6. Step 6: Final answer
    x = 687,768.30

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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.