Home / 486,048.20-729,072.30-276,096.20

Finding the Fourth Proportional to 486,048.20, 729,072.30 and 276,096.20

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Solution

The fourth proportional to 486,048.20, 729,072.30 and 276,096.20 is: 414,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,048.20 : 729,072.30 = 276,096.20 : x
  2. Step 2: Convert to fraction form
    486,048.20/729,072.30 = 276,096.20/x
  3. Step 3: Cross multiply
    486,048.20x = 729,072.30 × 276,096.20
  4. Step 4: Simplify right side
    486,048.20x = 201,294,091,555.26
  5. Step 5: Solve for x
    x = 201,294,091,555.26/486,048.20
  6. Step 6: Final answer
    x = 414,144.30

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Double scale
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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.