Home / 1,077,057.21-1,615,585.84-329,096.73

Finding the Fourth Proportional to 1,077,057.21, 1,615,585.84 and 329,096.73

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Solution

The fourth proportional to 1,077,057.21, 1,615,585.84 and 329,096.73 is: 493,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,057.21 : 1,615,585.84 = 329,096.73 : x
  2. Step 2: Convert to fraction form
    1,077,057.21/1,615,585.84 = 329,096.73/x
  3. Step 3: Cross multiply
    1,077,057.21x = 1,615,585.84 × 329,096.73
  4. Step 4: Simplify right side
    1,077,057.21x = 531,684,022,214.01
  5. Step 5: Solve for x
    x = 531,684,022,214.01/1,077,057.21
  6. Step 6: Final answer
    x = 493,645.11

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Double scale
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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.