Home / 727,535.70-1,090,785.15-278,082.90

Finding the Fourth Proportional to 727,535.70, 1,090,785.15 and 278,082.90

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Solution

The fourth proportional to 727,535.70, 1,090,785.15 and 278,082.90 is: 416,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,535.70 : 1,090,785.15 = 278,082.90 : x
  2. Step 2: Convert to fraction form
    727,535.70/1,090,785.15 = 278,082.90/x
  3. Step 3: Cross multiply
    727,535.70x = 1,090,785.15 × 278,082.90
  4. Step 4: Simplify right side
    727,535.70x = 303,328,697,788.94
  5. Step 5: Solve for x
    x = 303,328,697,788.94/727,535.70
  6. Step 6: Final answer
    x = 416,926.20

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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.