Home / 992,079.80-1,487,960.39-272,253.39

Finding the Fourth Proportional to 992,079.80, 1,487,960.39 and 272,253.39

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Solution

The fourth proportional to 992,079.80, 1,487,960.39 and 272,253.39 is: 408,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,079.80 : 1,487,960.39 = 272,253.39 : x
  2. Step 2: Convert to fraction form
    992,079.80/1,487,960.39 = 272,253.39/x
  3. Step 3: Cross multiply
    992,079.80x = 1,487,960.39 × 272,253.39
  4. Step 4: Simplify right side
    992,079.80x = 405,102,261,043.86
  5. Step 5: Solve for x
    x = 405,102,261,043.86/992,079.80
  6. Step 6: Final answer
    x = 408,336.37

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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.