Home / 639,073.61-958,371.19-274,289.16

Finding the Fourth Proportional to 639,073.61, 958,371.19 and 274,289.16

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Solution

The fourth proportional to 639,073.61, 958,371.19 and 274,289.16 is: 411,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,073.61 : 958,371.19 = 274,289.16 : x
  2. Step 2: Convert to fraction form
    639,073.61/958,371.19 = 274,289.16/x
  3. Step 3: Cross multiply
    639,073.61x = 958,371.19 × 274,289.16
  4. Step 4: Simplify right side
    639,073.61x = 262,870,832,610.05
  5. Step 5: Solve for x
    x = 262,870,832,610.05/639,073.61
  6. Step 6: Final answer
    x = 411,331.07

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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.