Home / 681,070.20-1,020,876.30-231,374.40

Finding the Fourth Proportional to 681,070.20, 1,020,876.30 and 231,374.40

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Solution

The fourth proportional to 681,070.20, 1,020,876.30 and 231,374.40 is: 346,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,070.20 : 1,020,876.30 = 231,374.40 : x
  2. Step 2: Convert to fraction form
    681,070.20/1,020,876.30 = 231,374.40/x
  3. Step 3: Cross multiply
    681,070.20x = 1,020,876.30 × 231,374.40
  4. Step 4: Simplify right side
    681,070.20x = 236,204,641,386.72
  5. Step 5: Solve for x
    x = 236,204,641,386.72/681,070.20
  6. Step 6: Final answer
    x = 346,813.94

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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.