Home / 725,621.40-1,088,604.90-304,680.60

Finding the Fourth Proportional to 725,621.40, 1,088,604.90 and 304,680.60

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Solution

The fourth proportional to 725,621.40, 1,088,604.90 and 304,680.60 is: 457,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,621.40 : 1,088,604.90 = 304,680.60 : x
  2. Step 2: Convert to fraction form
    725,621.40/1,088,604.90 = 304,680.60/x
  3. Step 3: Cross multiply
    725,621.40x = 1,088,604.90 × 304,680.60
  4. Step 4: Simplify right side
    725,621.40x = 331,676,794,094.94
  5. Step 5: Solve for x
    x = 331,676,794,094.94/725,621.40
  6. Step 6: Final answer
    x = 457,093.46

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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.