Home / 790,382.44-1,090,735.14-450,870.76

Finding the Fourth Proportional to 790,382.44, 1,090,735.14 and 450,870.76

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Solution

The fourth proportional to 790,382.44, 1,090,735.14 and 450,870.76 is: 622,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,382.44 : 1,090,735.14 = 450,870.76 : x
  2. Step 2: Convert to fraction form
    790,382.44/1,090,735.14 = 450,870.76/x
  3. Step 3: Cross multiply
    790,382.44x = 1,090,735.14 × 450,870.76
  4. Step 4: Simplify right side
    790,382.44x = 491,780,581,530.51
  5. Step 5: Solve for x
    x = 491,780,581,530.51/790,382.44
  6. Step 6: Final answer
    x = 622,205.85

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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.