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Finding the Fourth Proportional to 999,757, 1,379,664.66 and 547,048

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Solution

The fourth proportional to 999,757, 1,379,664.66 and 547,048 is: 754,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,757 : 1,379,664.66 = 547,048 : x
  2. Step 2: Convert to fraction form
    999,757/1,379,664.66 = 547,048/x
  3. Step 3: Cross multiply
    999,757x = 1,379,664.66 × 547,048
  4. Step 4: Simplify right side
    999,757x = 754,742,792,923.68
  5. Step 5: Solve for x
    x = 754,742,792,923.68/999,757
  6. Step 6: Final answer
    x = 754,926.24

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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.