Home / 853,925.46-1,280,863.90-254,891.58

Finding the Fourth Proportional to 853,925.46, 1,280,863.90 and 254,891.58

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Solution

The fourth proportional to 853,925.46, 1,280,863.90 and 254,891.58 is: 382,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,925.46 : 1,280,863.90 = 254,891.58 : x
  2. Step 2: Convert to fraction form
    853,925.46/1,280,863.90 = 254,891.58/x
  3. Step 3: Cross multiply
    853,925.46x = 1,280,863.90 × 254,891.58
  4. Step 4: Simplify right side
    853,925.46x = 326,481,423,235.96
  5. Step 5: Solve for x
    x = 326,481,423,235.96/853,925.46
  6. Step 6: Final answer
    x = 382,330.12

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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.