Home / 819,016.13-1,228,745.64-250,417.33

Finding the Fourth Proportional to 819,016.13, 1,228,745.64 and 250,417.33

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Solution

The fourth proportional to 819,016.13, 1,228,745.64 and 250,417.33 is: 375,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,016.13 : 1,228,745.64 = 250,417.33 : x
  2. Step 2: Convert to fraction form
    819,016.13/1,228,745.64 = 250,417.33/x
  3. Step 3: Cross multiply
    819,016.13x = 1,228,745.64 × 250,417.33
  4. Step 4: Simplify right side
    819,016.13x = 307,699,196,274.21
  5. Step 5: Solve for x
    x = 307,699,196,274.21/819,016.13
  6. Step 6: Final answer
    x = 375,693.70

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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.