Home / 977,807.70-1,466,711.55-267,834.60

Finding the Fourth Proportional to 977,807.70, 1,466,711.55 and 267,834.60

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Solution

The fourth proportional to 977,807.70, 1,466,711.55 and 267,834.60 is: 401,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,807.70 : 1,466,711.55 = 267,834.60 : x
  2. Step 2: Convert to fraction form
    977,807.70/1,466,711.55 = 267,834.60/x
  3. Step 3: Cross multiply
    977,807.70x = 1,466,711.55 × 267,834.60
  4. Step 4: Simplify right side
    977,807.70x = 392,836,101,309.63
  5. Step 5: Solve for x
    x = 392,836,101,309.63/977,807.70
  6. Step 6: Final answer
    x = 401,751.90

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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.