Home / 836,513.11-1,253,741.77-386,625.34

Finding the Fourth Proportional to 836,513.11, 1,253,741.77 and 386,625.34

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Solution

The fourth proportional to 836,513.11, 1,253,741.77 and 386,625.34 is: 579,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,513.11 : 1,253,741.77 = 386,625.34 : x
  2. Step 2: Convert to fraction form
    836,513.11/1,253,741.77 = 386,625.34/x
  3. Step 3: Cross multiply
    836,513.11x = 1,253,741.77 × 386,625.34
  4. Step 4: Simplify right side
    836,513.11x = 484,728,338,098.45
  5. Step 5: Solve for x
    x = 484,728,338,098.45/836,513.11
  6. Step 6: Final answer
    x = 579,462.93

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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.