Home / 749,735.18-1,034,305.91-439,480.52

Finding the Fourth Proportional to 749,735.18, 1,034,305.91 and 439,480.52

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Solution

The fourth proportional to 749,735.18, 1,034,305.91 and 439,480.52 is: 606,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,735.18 : 1,034,305.91 = 439,480.52 : x
  2. Step 2: Convert to fraction form
    749,735.18/1,034,305.91 = 439,480.52/x
  3. Step 3: Cross multiply
    749,735.18x = 1,034,305.91 × 439,480.52
  4. Step 4: Simplify right side
    749,735.18x = 454,557,291,796.94
  5. Step 5: Solve for x
    x = 454,557,291,796.94/749,735.18
  6. Step 6: Final answer
    x = 606,290.47

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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.