Home / 547,476.20-821,214.30-252,564.20

Finding the Fourth Proportional to 547,476.20, 821,214.30 and 252,564.20

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Solution

The fourth proportional to 547,476.20, 821,214.30 and 252,564.20 is: 378,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,476.20 : 821,214.30 = 252,564.20 : x
  2. Step 2: Convert to fraction form
    547,476.20/821,214.30 = 252,564.20/x
  3. Step 3: Cross multiply
    547,476.20x = 821,214.30 × 252,564.20
  4. Step 4: Simplify right side
    547,476.20x = 207,409,332,708.06
  5. Step 5: Solve for x
    x = 207,409,332,708.06/547,476.20
  6. Step 6: Final answer
    x = 378,846.30

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Similar ratio
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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.