Home / 981,917.64-1,472,709.06-271,779.30

Finding the Fourth Proportional to 981,917.64, 1,472,709.06 and 271,779.30

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Solution

The fourth proportional to 981,917.64, 1,472,709.06 and 271,779.30 is: 407,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,917.64 : 1,472,709.06 = 271,779.30 : x
  2. Step 2: Convert to fraction form
    981,917.64/1,472,709.06 = 271,779.30/x
  3. Step 3: Cross multiply
    981,917.64x = 1,472,709.06 × 271,779.30
  4. Step 4: Simplify right side
    981,917.64x = 400,251,837,430.46
  5. Step 5: Solve for x
    x = 400,251,837,430.46/981,917.64
  6. Step 6: Final answer
    x = 407,622.62

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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.