Home / 820,546.34-1,231,369.30-288,068.96

Finding the Fourth Proportional to 820,546.34, 1,231,369.30 and 288,068.96

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Solution

The fourth proportional to 820,546.34, 1,231,369.30 and 288,068.96 is: 432,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,546.34 : 1,231,369.30 = 288,068.96 : x
  2. Step 2: Convert to fraction form
    820,546.34/1,231,369.30 = 288,068.96/x
  3. Step 3: Cross multiply
    820,546.34x = 1,231,369.30 × 288,068.96
  4. Step 4: Simplify right side
    820,546.34x = 354,719,273,626.93
  5. Step 5: Solve for x
    x = 354,719,273,626.93/820,546.34
  6. Step 6: Final answer
    x = 432,296.45

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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.