Home / 463,428.03-639,512.97-259,459.87

Finding the Fourth Proportional to 463,428.03, 639,512.97 and 259,459.87

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Solution

The fourth proportional to 463,428.03, 639,512.97 and 259,459.87 is: 358,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,428.03 : 639,512.97 = 259,459.87 : x
  2. Step 2: Convert to fraction form
    463,428.03/639,512.97 = 259,459.87/x
  3. Step 3: Cross multiply
    463,428.03x = 639,512.97 × 259,459.87
  4. Step 4: Simplify right side
    463,428.03x = 165,927,953,045.62
  5. Step 5: Solve for x
    x = 165,927,953,045.62/463,428.03
  6. Step 6: Final answer
    x = 358,044.70

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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.