Home / 773,923.88-1,067,979.02-429,781.64

Finding the Fourth Proportional to 773,923.88, 1,067,979.02 and 429,781.64

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Solution

The fourth proportional to 773,923.88, 1,067,979.02 and 429,781.64 is: 593,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,923.88 : 1,067,979.02 = 429,781.64 : x
  2. Step 2: Convert to fraction form
    773,923.88/1,067,979.02 = 429,781.64/x
  3. Step 3: Cross multiply
    773,923.88x = 1,067,979.02 × 429,781.64
  4. Step 4: Simplify right side
    773,923.88x = 458,997,767,212.39
  5. Step 5: Solve for x
    x = 458,997,767,212.39/773,923.88
  6. Step 6: Final answer
    x = 593,078.70

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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.