Home / 681,960.58-1,021,612.26-415,059.10

Finding the Fourth Proportional to 681,960.58, 1,021,612.26 and 415,059.10

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Solution

The fourth proportional to 681,960.58, 1,021,612.26 and 415,059.10 is: 621,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,960.58 : 1,021,612.26 = 415,059.10 : x
  2. Step 2: Convert to fraction form
    681,960.58/1,021,612.26 = 415,059.10/x
  3. Step 3: Cross multiply
    681,960.58x = 1,021,612.26 × 415,059.10
  4. Step 4: Simplify right side
    681,960.58x = 424,029,465,184.57
  5. Step 5: Solve for x
    x = 424,029,465,184.57/681,960.58
  6. Step 6: Final answer
    x = 621,780.02

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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.