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Finding the Fourth Proportional to 575,765.82, 794,557.89 and 321,133.41

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Solution

The fourth proportional to 575,765.82, 794,557.89 and 321,133.41 is: 443,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,765.82 : 794,557.89 = 321,133.41 : x
  2. Step 2: Convert to fraction form
    575,765.82/794,557.89 = 321,133.41/x
  3. Step 3: Cross multiply
    575,765.82x = 794,557.89 × 321,133.41
  4. Step 4: Simplify right side
    575,765.82x = 255,159,084,658.11
  5. Step 5: Solve for x
    x = 255,159,084,658.11/575,765.82
  6. Step 6: Final answer
    x = 443,164.70

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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.