Home / 459,166.60-688,749.90-299,734.30

Finding the Fourth Proportional to 459,166.60, 688,749.90 and 299,734.30

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Solution

The fourth proportional to 459,166.60, 688,749.90 and 299,734.30 is: 449,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,166.60 : 688,749.90 = 299,734.30 : x
  2. Step 2: Convert to fraction form
    459,166.60/688,749.90 = 299,734.30/x
  3. Step 3: Cross multiply
    459,166.60x = 688,749.90 × 299,734.30
  4. Step 4: Simplify right side
    459,166.60x = 206,441,969,151.57
  5. Step 5: Solve for x
    x = 206,441,969,151.57/459,166.60
  6. Step 6: Final answer
    x = 449,601.45

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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.