Home / 695,502.80-1,043,945.40-340,917.20

Finding the Fourth Proportional to 695,502.80, 1,043,945.40 and 340,917.20

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Solution

The fourth proportional to 695,502.80, 1,043,945.40 and 340,917.20 is: 511,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,502.80 : 1,043,945.40 = 340,917.20 : x
  2. Step 2: Convert to fraction form
    695,502.80/1,043,945.40 = 340,917.20/x
  3. Step 3: Cross multiply
    695,502.80x = 1,043,945.40 × 340,917.20
  4. Step 4: Simplify right side
    695,502.80x = 355,898,942,720.88
  5. Step 5: Solve for x
    x = 355,898,942,720.88/695,502.80
  6. Step 6: Final answer
    x = 511,714.61

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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.