Home / 724,509.60-1,087,262.66-251,194.97

Finding the Fourth Proportional to 724,509.60, 1,087,262.66 and 251,194.97

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Solution

The fourth proportional to 724,509.60, 1,087,262.66 and 251,194.97 is: 376,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,509.60 : 1,087,262.66 = 251,194.97 : x
  2. Step 2: Convert to fraction form
    724,509.60/1,087,262.66 = 251,194.97/x
  3. Step 3: Cross multiply
    724,509.60x = 1,087,262.66 × 251,194.97
  4. Step 4: Simplify right side
    724,509.60x = 273,114,914,606.96
  5. Step 5: Solve for x
    x = 273,114,914,606.96/724,509.60
  6. Step 6: Final answer
    x = 376,965.21

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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.