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Finding the Fourth Proportional to 635,870.57, 877,501.11 and 349,409.11

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Solution

The fourth proportional to 635,870.57, 877,501.11 and 349,409.11 is: 482,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,870.57 : 877,501.11 = 349,409.11 : x
  2. Step 2: Convert to fraction form
    635,870.57/877,501.11 = 349,409.11/x
  3. Step 3: Cross multiply
    635,870.57x = 877,501.11 × 349,409.11
  4. Step 4: Simplify right side
    635,870.57x = 306,606,881,869.11
  5. Step 5: Solve for x
    x = 306,606,881,869.11/635,870.57
  6. Step 6: Final answer
    x = 482,184.42

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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.