Home / 976,941.80-1,465,412.70-267,079.40

Finding the Fourth Proportional to 976,941.80, 1,465,412.70 and 267,079.40

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Solution

The fourth proportional to 976,941.80, 1,465,412.70 and 267,079.40 is: 400,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,941.80 : 1,465,412.70 = 267,079.40 : x
  2. Step 2: Convert to fraction form
    976,941.80/1,465,412.70 = 267,079.40/x
  3. Step 3: Cross multiply
    976,941.80x = 1,465,412.70 × 267,079.40
  4. Step 4: Simplify right side
    976,941.80x = 391,381,544,668.38
  5. Step 5: Solve for x
    x = 391,381,544,668.38/976,941.80
  6. Step 6: Final answer
    x = 400,619.10

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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.