Home / 749,040.60-1,123,560.90-276,065.40

Finding the Fourth Proportional to 749,040.60, 1,123,560.90 and 276,065.40

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Solution

The fourth proportional to 749,040.60, 1,123,560.90 and 276,065.40 is: 414,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,040.60 : 1,123,560.90 = 276,065.40 : x
  2. Step 2: Convert to fraction form
    749,040.60/1,123,560.90 = 276,065.40/x
  3. Step 3: Cross multiply
    749,040.60x = 1,123,560.90 × 276,065.40
  4. Step 4: Simplify right side
    749,040.60x = 310,176,289,282.86
  5. Step 5: Solve for x
    x = 310,176,289,282.86/749,040.60
  6. Step 6: Final answer
    x = 414,098.10

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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.