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Finding the Fourth Proportional to 580,809.06, 801,488.34 and 322,702.29

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Solution

The fourth proportional to 580,809.06, 801,488.34 and 322,702.29 is: 445,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,809.06 : 801,488.34 = 322,702.29 : x
  2. Step 2: Convert to fraction form
    580,809.06/801,488.34 = 322,702.29/x
  3. Step 3: Cross multiply
    580,809.06x = 801,488.34 × 322,702.29
  4. Step 4: Simplify right side
    580,809.06x = 258,642,122,726.30
  5. Step 5: Solve for x
    x = 258,642,122,726.30/580,809.06
  6. Step 6: Final answer
    x = 445,313.51

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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.