Home / 783,591.52-1,175,382.40-378,310.84

Finding the Fourth Proportional to 783,591.52, 1,175,382.40 and 378,310.84

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Solution

The fourth proportional to 783,591.52, 1,175,382.40 and 378,310.84 is: 567,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,591.52 : 1,175,382.40 = 378,310.84 : x
  2. Step 2: Convert to fraction form
    783,591.52/1,175,382.40 = 378,310.84/x
  3. Step 3: Cross multiply
    783,591.52x = 1,175,382.40 × 378,310.84
  4. Step 4: Simplify right side
    783,591.52x = 444,659,903,065.22
  5. Step 5: Solve for x
    x = 444,659,903,065.22/783,591.52
  6. Step 6: Final answer
    x = 567,463.90

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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.