Home / 748,456.56-1,123,484.04-322,203.36

Finding the Fourth Proportional to 748,456.56, 1,123,484.04 and 322,203.36

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Solution

The fourth proportional to 748,456.56, 1,123,484.04 and 322,203.36 is: 483,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,456.56 : 1,123,484.04 = 322,203.36 : x
  2. Step 2: Convert to fraction form
    748,456.56/1,123,484.04 = 322,203.36/x
  3. Step 3: Cross multiply
    748,456.56x = 1,123,484.04 × 322,203.36
  4. Step 4: Simplify right side
    748,456.56x = 361,990,332,594.37
  5. Step 5: Solve for x
    x = 361,990,332,594.37/748,456.56
  6. Step 6: Final answer
    x = 483,649.09

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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.