Home / 724,402.05-1,087,318.22-543,859.53

Finding the Fourth Proportional to 724,402.05, 1,087,318.22 and 543,859.53

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Solution

The fourth proportional to 724,402.05, 1,087,318.22 and 543,859.53 is: 816,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,402.05 : 1,087,318.22 = 543,859.53 : x
  2. Step 2: Convert to fraction form
    724,402.05/1,087,318.22 = 543,859.53/x
  3. Step 3: Cross multiply
    724,402.05x = 1,087,318.22 × 543,859.53
  4. Step 4: Simplify right side
    724,402.05x = 591,348,373,370.34
  5. Step 5: Solve for x
    x = 591,348,373,370.34/724,402.05
  6. Step 6: Final answer
    x = 816,326.20

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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.