Home / 668,234.78-1,003,207.54-574,067.42

Finding the Fourth Proportional to 668,234.78, 1,003,207.54 and 574,067.42

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Solution

The fourth proportional to 668,234.78, 1,003,207.54 and 574,067.42 is: 861,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,234.78 : 1,003,207.54 = 574,067.42 : x
  2. Step 2: Convert to fraction form
    668,234.78/1,003,207.54 = 574,067.42/x
  3. Step 3: Cross multiply
    668,234.78x = 1,003,207.54 × 574,067.42
  4. Step 4: Simplify right side
    668,234.78x = 575,908,764,212.35
  5. Step 5: Solve for x
    x = 575,908,764,212.35/668,234.78
  6. Step 6: Final answer
    x = 861,835.96

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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.