Home / 668,393.37-1,002,934.71-443,909.16

Finding the Fourth Proportional to 668,393.37, 1,002,934.71 and 443,909.16

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Solution

The fourth proportional to 668,393.37, 1,002,934.71 and 443,909.16 is: 666,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,393.37 : 1,002,934.71 = 443,909.16 : x
  2. Step 2: Convert to fraction form
    668,393.37/1,002,934.71 = 443,909.16/x
  3. Step 3: Cross multiply
    668,393.37x = 1,002,934.71 × 443,909.16
  4. Step 4: Simplify right side
    668,393.37x = 445,211,904,650.94
  5. Step 5: Solve for x
    x = 445,211,904,650.94/668,393.37
  6. Step 6: Final answer
    x = 666,092.64

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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.