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Finding the Fourth Proportional to 580,870.86, 801,612.08 and 322,771.65

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Solution

The fourth proportional to 580,870.86, 801,612.08 and 322,771.65 is: 445,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,870.86 : 801,612.08 = 322,771.65 : x
  2. Step 2: Convert to fraction form
    580,870.86/801,612.08 = 322,771.65/x
  3. Step 3: Cross multiply
    580,870.86x = 801,612.08 × 322,771.65
  4. Step 4: Simplify right side
    580,870.86x = 258,737,653,721.53
  5. Step 5: Solve for x
    x = 258,737,653,721.53/580,870.86
  6. Step 6: Final answer
    x = 445,430.60

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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.