Home / 556,107.20-834,160.80-486,123.20

Finding the Fourth Proportional to 556,107.20, 834,160.80 and 486,123.20

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Solution

The fourth proportional to 556,107.20, 834,160.80 and 486,123.20 is: 729,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,107.20 : 834,160.80 = 486,123.20 : x
  2. Step 2: Convert to fraction form
    556,107.20/834,160.80 = 486,123.20/x
  3. Step 3: Cross multiply
    556,107.20x = 834,160.80 × 486,123.20
  4. Step 4: Simplify right side
    556,107.20x = 405,504,917,410.56
  5. Step 5: Solve for x
    x = 405,504,917,410.56/556,107.20
  6. Step 6: Final answer
    x = 729,184.80

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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.