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Finding the Fourth Proportional to 575,793.41, 794,594.98 and 321,144.59

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Solution

The fourth proportional to 575,793.41, 794,594.98 and 321,144.59 is: 443,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,793.41 : 794,594.98 = 321,144.59 : x
  2. Step 2: Convert to fraction form
    575,793.41/794,594.98 = 321,144.59/x
  3. Step 3: Cross multiply
    575,793.41x = 794,594.98 × 321,144.59
  4. Step 4: Simplify right side
    575,793.41x = 255,179,881,456.08
  5. Step 5: Solve for x
    x = 255,179,881,456.08/575,793.41
  6. Step 6: Final answer
    x = 443,179.58

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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.