Home / 635,815.81-877,425.10-349,335.19

Finding the Fourth Proportional to 635,815.81, 877,425.10 and 349,335.19

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Solution

The fourth proportional to 635,815.81, 877,425.10 and 349,335.19 is: 482,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,815.81 : 877,425.10 = 349,335.19 : x
  2. Step 2: Convert to fraction form
    635,815.81/877,425.10 = 349,335.19/x
  3. Step 3: Cross multiply
    635,815.81x = 877,425.10 × 349,335.19
  4. Step 4: Simplify right side
    635,815.81x = 306,515,464,019.27
  5. Step 5: Solve for x
    x = 306,515,464,019.27/635,815.81
  6. Step 6: Final answer
    x = 482,082.17

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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.