Home / 908,086.60-1,362,129.90-276,918.40

Finding the Fourth Proportional to 908,086.60, 1,362,129.90 and 276,918.40

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Solution

The fourth proportional to 908,086.60, 1,362,129.90 and 276,918.40 is: 415,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,086.60 : 1,362,129.90 = 276,918.40 : x
  2. Step 2: Convert to fraction form
    908,086.60/1,362,129.90 = 276,918.40/x
  3. Step 3: Cross multiply
    908,086.60x = 1,362,129.90 × 276,918.40
  4. Step 4: Simplify right side
    908,086.60x = 377,198,832,500.16
  5. Step 5: Solve for x
    x = 377,198,832,500.16/908,086.60
  6. Step 6: Final answer
    x = 415,377.60

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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.