Home / 724,502.40-1,087,251.87-251,187.76

Finding the Fourth Proportional to 724,502.40, 1,087,251.87 and 251,187.76

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Solution

The fourth proportional to 724,502.40, 1,087,251.87 and 251,187.76 is: 376,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,502.40 : 1,087,251.87 = 251,187.76 : x
  2. Step 2: Convert to fraction form
    724,502.40/1,087,251.87 = 251,187.76/x
  3. Step 3: Cross multiply
    724,502.40x = 1,087,251.87 × 251,187.76
  4. Step 4: Simplify right side
    724,502.40x = 273,104,356,344.85
  5. Step 5: Solve for x
    x = 273,104,356,344.85/724,502.40
  6. Step 6: Final answer
    x = 376,954.38

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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.