Home / 798,455.30-1,101,870.81-511,976.52

Finding the Fourth Proportional to 798,455.30, 1,101,870.81 and 511,976.52

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Solution

The fourth proportional to 798,455.30, 1,101,870.81 and 511,976.52 is: 706,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,455.30 : 1,101,870.81 = 511,976.52 : x
  2. Step 2: Convert to fraction form
    798,455.30/1,101,870.81 = 511,976.52/x
  3. Step 3: Cross multiply
    798,455.30x = 1,101,870.81 × 511,976.52
  4. Step 4: Simplify right side
    798,455.30x = 564,131,982,793.38
  5. Step 5: Solve for x
    x = 564,131,982,793.38/798,455.30
  6. Step 6: Final answer
    x = 706,529.20

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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.