Home / 810,030.26-1,215,217.20-277,408.28

Finding the Fourth Proportional to 810,030.26, 1,215,217.20 and 277,408.28

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Solution

The fourth proportional to 810,030.26, 1,215,217.20 and 277,408.28 is: 416,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,030.26 : 1,215,217.20 = 277,408.28 : x
  2. Step 2: Convert to fraction form
    810,030.26/1,215,217.20 = 277,408.28/x
  3. Step 3: Cross multiply
    810,030.26x = 1,215,217.20 × 277,408.28
  4. Step 4: Simplify right side
    810,030.26x = 337,111,313,278.42
  5. Step 5: Solve for x
    x = 337,111,313,278.42/810,030.26
  6. Step 6: Final answer
    x = 416,171.26

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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.