Home / 773,923.94-1,067,979.13-429,781.72

Finding the Fourth Proportional to 773,923.94, 1,067,979.13 and 429,781.72

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Solution

The fourth proportional to 773,923.94, 1,067,979.13 and 429,781.72 is: 593,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,923.94 : 1,067,979.13 = 429,781.72 : x
  2. Step 2: Convert to fraction form
    773,923.94/1,067,979.13 = 429,781.72/x
  3. Step 3: Cross multiply
    773,923.94x = 1,067,979.13 × 429,781.72
  4. Step 4: Simplify right side
    773,923.94x = 458,997,911,396.96
  5. Step 5: Solve for x
    x = 458,997,911,396.96/773,923.94
  6. Step 6: Final answer
    x = 593,078.84

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1.5x scale

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.