Home / 872,945.68-1,204,653.44-490,972.46

Finding the Fourth Proportional to 872,945.68, 1,204,653.44 and 490,972.46

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Solution

The fourth proportional to 872,945.68, 1,204,653.44 and 490,972.46 is: 677,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,945.68 : 1,204,653.44 = 490,972.46 : x
  2. Step 2: Convert to fraction form
    872,945.68/1,204,653.44 = 490,972.46/x
  3. Step 3: Cross multiply
    872,945.68x = 1,204,653.44 × 490,972.46
  4. Step 4: Simplify right side
    872,945.68x = 591,451,666,871.83
  5. Step 5: Solve for x
    x = 591,451,666,871.83/872,945.68
  6. Step 6: Final answer
    x = 677,535.47

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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.