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Finding the Fourth Proportional to 518,592, 777,888 and 124,608

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Solution

The fourth proportional to 518,592, 777,888 and 124,608 is: 186,912

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,592 : 777,888 = 124,608 : x
  2. Step 2: Convert to fraction form
    518,592/777,888 = 124,608/x
  3. Step 3: Cross multiply
    518,592x = 777,888 × 124,608
  4. Step 4: Simplify right side
    518,592x = 96,931,067,904
  5. Step 5: Solve for x
    x = 96,931,067,904/518,592
  6. Step 6: Final answer
    x = 186,912

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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.