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Finding the Fourth Proportional to 999,552, 1,499,329.44 and 408,576

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Solution

The fourth proportional to 999,552, 1,499,329.44 and 408,576 is: 612,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,552 : 1,499,329.44 = 408,576 : x
  2. Step 2: Convert to fraction form
    999,552/1,499,329.44 = 408,576/x
  3. Step 3: Cross multiply
    999,552x = 1,499,329.44 × 408,576
  4. Step 4: Simplify right side
    999,552x = 612,590,025,277.44
  5. Step 5: Solve for x
    x = 612,590,025,277.44/999,552
  6. Step 6: Final answer
    x = 612,864.59

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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.