Home / 726,960.20-1,003,299.24-416,983.72

Finding the Fourth Proportional to 726,960.20, 1,003,299.24 and 416,983.72

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Solution

The fourth proportional to 726,960.20, 1,003,299.24 and 416,983.72 is: 575,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,960.20 : 1,003,299.24 = 416,983.72 : x
  2. Step 2: Convert to fraction form
    726,960.20/1,003,299.24 = 416,983.72/x
  3. Step 3: Cross multiply
    726,960.20x = 1,003,299.24 × 416,983.72
  4. Step 4: Simplify right side
    726,960.20x = 418,359,449,368.37
  5. Step 5: Solve for x
    x = 418,359,449,368.37/726,960.20
  6. Step 6: Final answer
    x = 575,491.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.