Home / 808,214.70-1,212,278.10-247,249.20

Finding the Fourth Proportional to 808,214.70, 1,212,278.10 and 247,249.20

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Solution

The fourth proportional to 808,214.70, 1,212,278.10 and 247,249.20 is: 370,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,214.70 : 1,212,278.10 = 247,249.20 : x
  2. Step 2: Convert to fraction form
    808,214.70/1,212,278.10 = 247,249.20/x
  3. Step 3: Cross multiply
    808,214.70x = 1,212,278.10 × 247,249.20
  4. Step 4: Simplify right side
    808,214.70x = 299,734,790,402.52
  5. Step 5: Solve for x
    x = 299,734,790,402.52/808,214.70
  6. Step 6: Final answer
    x = 370,860.35

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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.