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Finding the Fourth Proportional to 518,598, 777,897 and 124,614

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Solution

The fourth proportional to 518,598, 777,897 and 124,614 is: 186,921

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,598 : 777,897 = 124,614 : x
  2. Step 2: Convert to fraction form
    518,598/777,897 = 124,614/x
  3. Step 3: Cross multiply
    518,598x = 777,897 × 124,614
  4. Step 4: Simplify right side
    518,598x = 96,936,856,758
  5. Step 5: Solve for x
    x = 96,936,856,758/518,598
  6. Step 6: Final answer
    x = 186,921

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.