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Finding the Fourth Proportional to 518,576, 777,864 and 124,592

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Solution

The fourth proportional to 518,576, 777,864 and 124,592 is: 186,888

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,576 : 777,864 = 124,592 : x
  2. Step 2: Convert to fraction form
    518,576/777,864 = 124,592/x
  3. Step 3: Cross multiply
    518,576x = 777,864 × 124,592
  4. Step 4: Simplify right side
    518,576x = 96,915,631,488
  5. Step 5: Solve for x
    x = 96,915,631,488/518,576
  6. Step 6: Final answer
    x = 186,888

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