Home / 815,589.76-1,125,513.48-453,047.28

Finding the Fourth Proportional to 815,589.76, 1,125,513.48 and 453,047.28

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Solution

The fourth proportional to 815,589.76, 1,125,513.48 and 453,047.28 is: 625,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,589.76 : 1,125,513.48 = 453,047.28 : x
  2. Step 2: Convert to fraction form
    815,589.76/1,125,513.48 = 453,047.28/x
  3. Step 3: Cross multiply
    815,589.76x = 1,125,513.48 × 453,047.28
  4. Step 4: Simplify right side
    815,589.76x = 509,910,820,717.33
  5. Step 5: Solve for x
    x = 509,910,820,717.33/815,589.76
  6. Step 6: Final answer
    x = 625,205.03

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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.