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Finding the Fourth Proportional to 548,770.92, 822,595 and 371,296.68

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Solution

The fourth proportional to 548,770.92, 822,595 and 371,296.68 is: 556,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,770.92 : 822,595 = 371,296.68 : x
  2. Step 2: Convert to fraction form
    548,770.92/822,595 = 371,296.68/x
  3. Step 3: Cross multiply
    548,770.92x = 822,595 × 371,296.68
  4. Step 4: Simplify right side
    548,770.92x = 305,426,792,484.60
  5. Step 5: Solve for x
    x = 305,426,792,484.60/548,770.92
  6. Step 6: Final answer
    x = 556,565.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.