Home / 724,446.70-1,087,836.45-488,833.90

Finding the Fourth Proportional to 724,446.70, 1,087,836.45 and 488,833.90

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Solution

The fourth proportional to 724,446.70, 1,087,836.45 and 488,833.90 is: 734,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,446.70 : 1,087,836.45 = 488,833.90 : x
  2. Step 2: Convert to fraction form
    724,446.70/1,087,836.45 = 488,833.90/x
  3. Step 3: Cross multiply
    724,446.70x = 1,087,836.45 × 488,833.90
  4. Step 4: Simplify right side
    724,446.70x = 531,771,334,415.66
  5. Step 5: Solve for x
    x = 531,771,334,415.66/724,446.70
  6. Step 6: Final answer
    x = 734,037.90

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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.