Home / 726,972.54-1,090,396.17-442,589.46

Finding the Fourth Proportional to 726,972.54, 1,090,396.17 and 442,589.46

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Solution

The fourth proportional to 726,972.54, 1,090,396.17 and 442,589.46 is: 663,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,972.54 : 1,090,396.17 = 442,589.46 : x
  2. Step 2: Convert to fraction form
    726,972.54/1,090,396.17 = 442,589.46/x
  3. Step 3: Cross multiply
    726,972.54x = 1,090,396.17 × 442,589.46
  4. Step 4: Simplify right side
    726,972.54x = 482,597,852,066.37
  5. Step 5: Solve for x
    x = 482,597,852,066.37/726,972.54
  6. Step 6: Final answer
    x = 663,846.05

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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.