Home / 977,659.20-1,466,488.80-267,686.10

Finding the Fourth Proportional to 977,659.20, 1,466,488.80 and 267,686.10

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Solution

The fourth proportional to 977,659.20, 1,466,488.80 and 267,686.10 is: 401,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,659.20 : 1,466,488.80 = 267,686.10 : x
  2. Step 2: Convert to fraction form
    977,659.20/1,466,488.80 = 267,686.10/x
  3. Step 3: Cross multiply
    977,659.20x = 1,466,488.80 × 267,686.10
  4. Step 4: Simplify right side
    977,659.20x = 392,558,667,565.68
  5. Step 5: Solve for x
    x = 392,558,667,565.68/977,659.20
  6. Step 6: Final answer
    x = 401,529.15

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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.