Home / 748,393.10-1,123,299.36-463,221.03

Finding the Fourth Proportional to 748,393.10, 1,123,299.36 and 463,221.03

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Solution

The fourth proportional to 748,393.10, 1,123,299.36 and 463,221.03 is: 695,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,393.10 : 1,123,299.36 = 463,221.03 : x
  2. Step 2: Convert to fraction form
    748,393.10/1,123,299.36 = 463,221.03/x
  3. Step 3: Cross multiply
    748,393.10x = 1,123,299.36 × 463,221.03
  4. Step 4: Simplify right side
    748,393.10x = 520,335,886,537.54
  5. Step 5: Solve for x
    x = 520,335,886,537.54/748,393.10
  6. Step 6: Final answer
    x = 695,270.83

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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.