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Finding the Fourth Proportional to 550,600.80, 759,834.29 and 308,888.57

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Solution

The fourth proportional to 550,600.80, 759,834.29 and 308,888.57 is: 426,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,600.80 : 759,834.29 = 308,888.57 : x
  2. Step 2: Convert to fraction form
    550,600.80/759,834.29 = 308,888.57/x
  3. Step 3: Cross multiply
    550,600.80x = 759,834.29 × 308,888.57
  4. Step 4: Simplify right side
    550,600.80x = 234,704,124,248.12
  5. Step 5: Solve for x
    x = 234,704,124,248.12/550,600.80
  6. Step 6: Final answer
    x = 426,269.13

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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.