Home / 977,115.30-1,465,672.95-267,215.10

Finding the Fourth Proportional to 977,115.30, 1,465,672.95 and 267,215.10

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Solution

The fourth proportional to 977,115.30, 1,465,672.95 and 267,215.10 is: 400,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,115.30 : 1,465,672.95 = 267,215.10 : x
  2. Step 2: Convert to fraction form
    977,115.30/1,465,672.95 = 267,215.10/x
  3. Step 3: Cross multiply
    977,115.30x = 1,465,672.95 × 267,215.10
  4. Step 4: Simplify right side
    977,115.30x = 391,649,943,901.55
  5. Step 5: Solve for x
    x = 391,649,943,901.55/977,115.30
  6. Step 6: Final answer
    x = 400,822.65

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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.