Home / 847,295.12-1,169,265.87-465,321.89

Finding the Fourth Proportional to 847,295.12, 1,169,265.87 and 465,321.89

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Solution

The fourth proportional to 847,295.12, 1,169,265.87 and 465,321.89 is: 642,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,295.12 : 1,169,265.87 = 465,321.89 : x
  2. Step 2: Convert to fraction form
    847,295.12/1,169,265.87 = 465,321.89/x
  3. Step 3: Cross multiply
    847,295.12x = 1,169,265.87 × 465,321.89
  4. Step 4: Simplify right side
    847,295.12x = 544,085,004,540.89
  5. Step 5: Solve for x
    x = 544,085,004,540.89/847,295.12
  6. Step 6: Final answer
    x = 642,143.44

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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.