Home / 463,262.06-639,312.47-259,307.91

Finding the Fourth Proportional to 463,262.06, 639,312.47 and 259,307.91

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Solution

The fourth proportional to 463,262.06, 639,312.47 and 259,307.91 is: 357,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,262.06 : 639,312.47 = 259,307.91 : x
  2. Step 2: Convert to fraction form
    463,262.06/639,312.47 = 259,307.91/x
  3. Step 3: Cross multiply
    463,262.06x = 639,312.47 × 259,307.91
  4. Step 4: Simplify right side
    463,262.06x = 165,778,775,939.54
  5. Step 5: Solve for x
    x = 165,778,775,939.54/463,262.06
  6. Step 6: Final answer
    x = 357,850.97

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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.