Home / 665,064.20-997,596.30-332,520.20

Finding the Fourth Proportional to 665,064.20, 997,596.30 and 332,520.20

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Solution

The fourth proportional to 665,064.20, 997,596.30 and 332,520.20 is: 498,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,064.20 : 997,596.30 = 332,520.20 : x
  2. Step 2: Convert to fraction form
    665,064.20/997,596.30 = 332,520.20/x
  3. Step 3: Cross multiply
    665,064.20x = 997,596.30 × 332,520.20
  4. Step 4: Simplify right side
    665,064.20x = 331,720,921,195.26
  5. Step 5: Solve for x
    x = 331,720,921,195.26/665,064.20
  6. Step 6: Final answer
    x = 498,780.30

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Half scale
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Double scale
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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.