Home / 635,583.12-877,111.92-349,109.92

Finding the Fourth Proportional to 635,583.12, 877,111.92 and 349,109.92

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Solution

The fourth proportional to 635,583.12, 877,111.92 and 349,109.92 is: 481,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,583.12 : 877,111.92 = 349,109.92 : x
  2. Step 2: Convert to fraction form
    635,583.12/877,111.92 = 349,109.92/x
  3. Step 3: Cross multiply
    635,583.12x = 877,111.92 × 349,109.92
  4. Step 4: Simplify right side
    635,583.12x = 306,208,472,222.25
  5. Step 5: Solve for x
    x = 306,208,472,222.25/635,583.12
  6. Step 6: Final answer
    x = 481,775.65

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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.