Home / 759,321.83-1,139,003.19-332,638.13

Finding the Fourth Proportional to 759,321.83, 1,139,003.19 and 332,638.13

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Solution

The fourth proportional to 759,321.83, 1,139,003.19 and 332,638.13 is: 498,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,321.83 : 1,139,003.19 = 332,638.13 : x
  2. Step 2: Convert to fraction form
    759,321.83/1,139,003.19 = 332,638.13/x
  3. Step 3: Cross multiply
    759,321.83x = 1,139,003.19 × 332,638.13
  4. Step 4: Simplify right side
    759,321.83x = 378,875,885,490.62
  5. Step 5: Solve for x
    x = 378,875,885,490.62/759,321.83
  6. Step 6: Final answer
    x = 498,966.15

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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.