Home / 635,912.47-877,566.15-349,432.58

Finding the Fourth Proportional to 635,912.47, 877,566.15 and 349,432.58

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Solution

The fourth proportional to 635,912.47, 877,566.15 and 349,432.58 is: 482,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,912.47 : 877,566.15 = 349,432.58 : x
  2. Step 2: Convert to fraction form
    635,912.47/877,566.15 = 349,432.58/x
  3. Step 3: Cross multiply
    635,912.47x = 877,566.15 × 349,432.58
  4. Step 4: Simplify right side
    635,912.47x = 306,650,206,109.08
  5. Step 5: Solve for x
    x = 306,650,206,109.08/635,912.47
  6. Step 6: Final answer
    x = 482,220.78

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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.