Home / 725,310.78-1,000,618.39-452,905.75

Finding the Fourth Proportional to 725,310.78, 1,000,618.39 and 452,905.75

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Solution

The fourth proportional to 725,310.78, 1,000,618.39 and 452,905.75 is: 624,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,310.78 : 1,000,618.39 = 452,905.75 : x
  2. Step 2: Convert to fraction form
    725,310.78/1,000,618.39 = 452,905.75/x
  3. Step 3: Cross multiply
    725,310.78x = 1,000,618.39 × 452,905.75
  4. Step 4: Simplify right side
    725,310.78x = 453,185,822,386.74
  5. Step 5: Solve for x
    x = 453,185,822,386.74/725,310.78
  6. Step 6: Final answer
    x = 624,816.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.