Home / 725,914.80-1,087,576.20-351,111.60

Finding the Fourth Proportional to 725,914.80, 1,087,576.20 and 351,111.60

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Solution

The fourth proportional to 725,914.80, 1,087,576.20 and 351,111.60 is: 526,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,914.80 : 1,087,576.20 = 351,111.60 : x
  2. Step 2: Convert to fraction form
    725,914.80/1,087,576.20 = 351,111.60/x
  3. Step 3: Cross multiply
    725,914.80x = 1,087,576.20 × 351,111.60
  4. Step 4: Simplify right side
    725,914.80x = 381,860,619,703.92
  5. Step 5: Solve for x
    x = 381,860,619,703.92/725,914.80
  6. Step 6: Final answer
    x = 526,040.55

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Double scale
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1.5x scale

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.