Home / 820,097.85-1,130,729.58-674,394.45

Finding the Fourth Proportional to 820,097.85, 1,130,729.58 and 674,394.45

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Solution

The fourth proportional to 820,097.85, 1,130,729.58 and 674,394.45 is: 929,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,097.85 : 1,130,729.58 = 674,394.45 : x
  2. Step 2: Convert to fraction form
    820,097.85/1,130,729.58 = 674,394.45/x
  3. Step 3: Cross multiply
    820,097.85x = 1,130,729.58 × 674,394.45
  4. Step 4: Simplify right side
    820,097.85x = 762,557,753,202.83
  5. Step 5: Solve for x
    x = 762,557,753,202.83/820,097.85
  6. Step 6: Final answer
    x = 929,837.52

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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.