Home / 820,097.35-1,130,728.89-674,393.95

Finding the Fourth Proportional to 820,097.35, 1,130,728.89 and 674,393.95

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Solution

The fourth proportional to 820,097.35, 1,130,728.89 and 674,393.95 is: 929,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,097.35 : 1,130,728.89 = 674,393.95 : x
  2. Step 2: Convert to fraction form
    820,097.35/1,130,728.89 = 674,393.95/x
  3. Step 3: Cross multiply
    820,097.35x = 1,130,728.89 × 674,393.95
  4. Step 4: Simplify right side
    820,097.35x = 762,556,722,506.22
  5. Step 5: Solve for x
    x = 762,556,722,506.22/820,097.35
  6. Step 6: Final answer
    x = 929,836.83

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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.