Home / 821,456.40-1,232,301.24-252,884.82

Finding the Fourth Proportional to 821,456.40, 1,232,301.24 and 252,884.82

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Solution

The fourth proportional to 821,456.40, 1,232,301.24 and 252,884.82 is: 379,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,456.40 : 1,232,301.24 = 252,884.82 : x
  2. Step 2: Convert to fraction form
    821,456.40/1,232,301.24 = 252,884.82/x
  3. Step 3: Cross multiply
    821,456.40x = 1,232,301.24 × 252,884.82
  4. Step 4: Simplify right side
    821,456.40x = 311,630,277,263.18
  5. Step 5: Solve for x
    x = 311,630,277,263.18/821,456.40
  6. Step 6: Final answer
    x = 379,363.14

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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.