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Finding the Fourth Proportional to 544,187.45, 750,672.20 and 326,338.11

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Solution

The fourth proportional to 544,187.45, 750,672.20 and 326,338.11 is: 450,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,187.45 : 750,672.20 = 326,338.11 : x
  2. Step 2: Convert to fraction form
    544,187.45/750,672.20 = 326,338.11/x
  3. Step 3: Cross multiply
    544,187.45x = 750,672.20 × 326,338.11
  4. Step 4: Simplify right side
    544,187.45x = 244,972,947,793.39
  5. Step 5: Solve for x
    x = 244,972,947,793.39/544,187.45
  6. Step 6: Final answer
    x = 450,162.80

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1.5x scale

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.