Home / 463,396.95-639,541.67-282,215.07

Finding the Fourth Proportional to 463,396.95, 639,541.67 and 282,215.07

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Solution

The fourth proportional to 463,396.95, 639,541.67 and 282,215.07 is: 389,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,396.95 : 639,541.67 = 282,215.07 : x
  2. Step 2: Convert to fraction form
    463,396.95/639,541.67 = 282,215.07/x
  3. Step 3: Cross multiply
    463,396.95x = 639,541.67 × 282,215.07
  4. Step 4: Simplify right side
    463,396.95x = 180,488,295,755.89
  5. Step 5: Solve for x
    x = 180,488,295,755.89/463,396.95
  6. Step 6: Final answer
    x = 389,489.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.