Home / 976,888.80-1,465,333.20-266,988.60

Finding the Fourth Proportional to 976,888.80, 1,465,333.20 and 266,988.60

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Solution

The fourth proportional to 976,888.80, 1,465,333.20 and 266,988.60 is: 400,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,888.80 : 1,465,333.20 = 266,988.60 : x
  2. Step 2: Convert to fraction form
    976,888.80/1,465,333.20 = 266,988.60/x
  3. Step 3: Cross multiply
    976,888.80x = 1,465,333.20 × 266,988.60
  4. Step 4: Simplify right side
    976,888.80x = 391,227,259,601.52
  5. Step 5: Solve for x
    x = 391,227,259,601.52/976,888.80
  6. Step 6: Final answer
    x = 400,482.90

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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.