Home / 726,150.96-1,002,070.80-394,998.48

Finding the Fourth Proportional to 726,150.96, 1,002,070.80 and 394,998.48

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Solution

The fourth proportional to 726,150.96, 1,002,070.80 and 394,998.48 is: 545,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,150.96 : 1,002,070.80 = 394,998.48 : x
  2. Step 2: Convert to fraction form
    726,150.96/1,002,070.80 = 394,998.48/x
  3. Step 3: Cross multiply
    726,150.96x = 1,002,070.80 × 394,998.48
  4. Step 4: Simplify right side
    726,150.96x = 395,816,442,852.38
  5. Step 5: Solve for x
    x = 395,816,442,852.38/726,150.96
  6. Step 6: Final answer
    x = 545,088.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.