Home / 724,634.40-1,087,139.52-275,363.04

Finding the Fourth Proportional to 724,634.40, 1,087,139.52 and 275,363.04

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Solution

The fourth proportional to 724,634.40, 1,087,139.52 and 275,363.04 is: 413,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,634.40 : 1,087,139.52 = 275,363.04 : x
  2. Step 2: Convert to fraction form
    724,634.40/1,087,139.52 = 275,363.04/x
  3. Step 3: Cross multiply
    724,634.40x = 1,087,139.52 × 275,363.04
  4. Step 4: Simplify right side
    724,634.40x = 299,358,043,131.34
  5. Step 5: Solve for x
    x = 299,358,043,131.34/724,634.40
  6. Step 6: Final answer
    x = 413,115.97

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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.