Home / 861,529.44-1,188,707.52-724,230.48

Finding the Fourth Proportional to 861,529.44, 1,188,707.52 and 724,230.48

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Solution

The fourth proportional to 861,529.44, 1,188,707.52 and 724,230.48 is: 999,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,529.44 : 1,188,707.52 = 724,230.48 : x
  2. Step 2: Convert to fraction form
    861,529.44/1,188,707.52 = 724,230.48/x
  3. Step 3: Cross multiply
    861,529.44x = 1,188,707.52 × 724,230.48
  4. Step 4: Simplify right side
    861,529.44x = 860,898,217,789.21
  5. Step 5: Solve for x
    x = 860,898,217,789.21/861,529.44
  6. Step 6: Final answer
    x = 999,267.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.