Home / 783,399.03-1,080,993.90-477,363.88

Finding the Fourth Proportional to 783,399.03, 1,080,993.90 and 477,363.88

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Solution

The fourth proportional to 783,399.03, 1,080,993.90 and 477,363.88 is: 658,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,399.03 : 1,080,993.90 = 477,363.88 : x
  2. Step 2: Convert to fraction form
    783,399.03/1,080,993.90 = 477,363.88/x
  3. Step 3: Cross multiply
    783,399.03x = 1,080,993.90 × 477,363.88
  4. Step 4: Simplify right side
    783,399.03x = 516,027,442,360.33
  5. Step 5: Solve for x
    x = 516,027,442,360.33/783,399.03
  6. Step 6: Final answer
    x = 658,703.19

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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.