Home / 853,671.65-1,281,020.04-341,245.26

Finding the Fourth Proportional to 853,671.65, 1,281,020.04 and 341,245.26

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Solution

The fourth proportional to 853,671.65, 1,281,020.04 and 341,245.26 is: 512,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,671.65 : 1,281,020.04 = 341,245.26 : x
  2. Step 2: Convert to fraction form
    853,671.65/1,281,020.04 = 341,245.26/x
  3. Step 3: Cross multiply
    853,671.65x = 1,281,020.04 × 341,245.26
  4. Step 4: Simplify right side
    853,671.65x = 437,142,016,615.01
  5. Step 5: Solve for x
    x = 437,142,016,615.01/853,671.65
  6. Step 6: Final answer
    x = 512,072.78

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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.