Home / 738,524.97-1,107,905.49-312,064.83

Finding the Fourth Proportional to 738,524.97, 1,107,905.49 and 312,064.83

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Solution

The fourth proportional to 738,524.97, 1,107,905.49 and 312,064.83 is: 468,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,524.97 : 1,107,905.49 = 312,064.83 : x
  2. Step 2: Convert to fraction form
    738,524.97/1,107,905.49 = 312,064.83/x
  3. Step 3: Cross multiply
    738,524.97x = 1,107,905.49 × 312,064.83
  4. Step 4: Simplify right side
    738,524.97x = 345,738,338,392.92
  5. Step 5: Solve for x
    x = 345,738,338,392.92/738,524.97
  6. Step 6: Final answer
    x = 468,147.12

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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.