Home / 726,723.90-1,090,474.65-306,042.30

Finding the Fourth Proportional to 726,723.90, 1,090,474.65 and 306,042.30

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Solution

The fourth proportional to 726,723.90, 1,090,474.65 and 306,042.30 is: 459,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,723.90 : 1,090,474.65 = 306,042.30 : x
  2. Step 2: Convert to fraction form
    726,723.90/1,090,474.65 = 306,042.30/x
  3. Step 3: Cross multiply
    726,723.90x = 1,090,474.65 × 306,042.30
  4. Step 4: Simplify right side
    726,723.90x = 333,731,369,977.70
  5. Step 5: Solve for x
    x = 333,731,369,977.70/726,723.90
  6. Step 6: Final answer
    x = 459,227.18

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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.