Home / 520,982.20-781,473.30-166,022.20

Finding the Fourth Proportional to 520,982.20, 781,473.30 and 166,022.20

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Solution

The fourth proportional to 520,982.20, 781,473.30 and 166,022.20 is: 249,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,982.20 : 781,473.30 = 166,022.20 : x
  2. Step 2: Convert to fraction form
    520,982.20/781,473.30 = 166,022.20/x
  3. Step 3: Cross multiply
    520,982.20x = 781,473.30 × 166,022.20
  4. Step 4: Simplify right side
    520,982.20x = 129,741,916,507.26
  5. Step 5: Solve for x
    x = 129,741,916,507.26/520,982.20
  6. Step 6: Final answer
    x = 249,033.30

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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.