Home / 977,115.80-1,465,673.70-267,215.60

Finding the Fourth Proportional to 977,115.80, 1,465,673.70 and 267,215.60

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Solution

The fourth proportional to 977,115.80, 1,465,673.70 and 267,215.60 is: 400,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,115.80 : 1,465,673.70 = 267,215.60 : x
  2. Step 2: Convert to fraction form
    977,115.80/1,465,673.70 = 267,215.60/x
  3. Step 3: Cross multiply
    977,115.80x = 1,465,673.70 × 267,215.60
  4. Step 4: Simplify right side
    977,115.80x = 391,650,877,149.72
  5. Step 5: Solve for x
    x = 391,650,877,149.72/977,115.80
  6. Step 6: Final answer
    x = 400,823.40

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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.