Home / 836,701.46-1,255,041.30-205,620.82

Finding the Fourth Proportional to 836,701.46, 1,255,041.30 and 205,620.82

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Solution

The fourth proportional to 836,701.46, 1,255,041.30 and 205,620.82 is: 308,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,701.46 : 1,255,041.30 = 205,620.82 : x
  2. Step 2: Convert to fraction form
    836,701.46/1,255,041.30 = 205,620.82/x
  3. Step 3: Cross multiply
    836,701.46x = 1,255,041.30 × 205,620.82
  4. Step 4: Simplify right side
    836,701.46x = 258,062,621,239.87
  5. Step 5: Solve for x
    x = 258,062,621,239.87/836,701.46
  6. Step 6: Final answer
    x = 308,428.55

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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.