Home / 725,563.40-1,088,517.90-304,622.60

Finding the Fourth Proportional to 725,563.40, 1,088,517.90 and 304,622.60

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Solution

The fourth proportional to 725,563.40, 1,088,517.90 and 304,622.60 is: 457,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,563.40 : 1,088,517.90 = 304,622.60 : x
  2. Step 2: Convert to fraction form
    725,563.40/1,088,517.90 = 304,622.60/x
  3. Step 3: Cross multiply
    725,563.40x = 1,088,517.90 × 304,622.60
  4. Step 4: Simplify right side
    725,563.40x = 331,587,152,844.54
  5. Step 5: Solve for x
    x = 331,587,152,844.54/725,563.40
  6. Step 6: Final answer
    x = 457,006.45

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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.