Home / 724,243.68-1,084,793.04-442,908

Finding the Fourth Proportional to 724,243.68, 1,084,793.04 and 442,908

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Solution

The fourth proportional to 724,243.68, 1,084,793.04 and 442,908 is: 663,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,243.68 : 1,084,793.04 = 442,908 : x
  2. Step 2: Convert to fraction form
    724,243.68/1,084,793.04 = 442,908/x
  3. Step 3: Cross multiply
    724,243.68x = 1,084,793.04 × 442,908
  4. Step 4: Simplify right side
    724,243.68x = 480,463,515,760.32
  5. Step 5: Solve for x
    x = 480,463,515,760.32/724,243.68
  6. Step 6: Final answer
    x = 663,400.36

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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.