Home / 720,901.62-1,081,377.54-247,583.52

Finding the Fourth Proportional to 720,901.62, 1,081,377.54 and 247,583.52

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Solution

The fourth proportional to 720,901.62, 1,081,377.54 and 247,583.52 is: 371,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,901.62 : 1,081,377.54 = 247,583.52 : x
  2. Step 2: Convert to fraction form
    720,901.62/1,081,377.54 = 247,583.52/x
  3. Step 3: Cross multiply
    720,901.62x = 1,081,377.54 × 247,583.52
  4. Step 4: Simplify right side
    720,901.62x = 267,731,257,802.14
  5. Step 5: Solve for x
    x = 267,731,257,802.14/720,901.62
  6. Step 6: Final answer
    x = 371,383.90

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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.