Home / 872,939.43-1,204,644.56-490,966.11

Finding the Fourth Proportional to 872,939.43, 1,204,644.56 and 490,966.11

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Solution

The fourth proportional to 872,939.43, 1,204,644.56 and 490,966.11 is: 677,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,939.43 : 1,204,644.56 = 490,966.11 : x
  2. Step 2: Convert to fraction form
    872,939.43/1,204,644.56 = 490,966.11/x
  3. Step 3: Cross multiply
    872,939.43x = 1,204,644.56 × 490,966.11
  4. Step 4: Simplify right side
    872,939.43x = 591,439,651,101.03
  5. Step 5: Solve for x
    x = 591,439,651,101.03/872,939.43
  6. Step 6: Final answer
    x = 677,526.56

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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.