Home / 976,817.80-1,465,226.70-266,917.60

Finding the Fourth Proportional to 976,817.80, 1,465,226.70 and 266,917.60

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Solution

The fourth proportional to 976,817.80, 1,465,226.70 and 266,917.60 is: 400,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,817.80 : 1,465,226.70 = 266,917.60 : x
  2. Step 2: Convert to fraction form
    976,817.80/1,465,226.70 = 266,917.60/x
  3. Step 3: Cross multiply
    976,817.80x = 1,465,226.70 × 266,917.60
  4. Step 4: Simplify right side
    976,817.80x = 391,094,794,219.92
  5. Step 5: Solve for x
    x = 391,094,794,219.92/976,817.80
  6. Step 6: Final answer
    x = 400,376.40

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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.