Home / 817,796.04-1,227,218.94-396,842.28

Finding the Fourth Proportional to 817,796.04, 1,227,218.94 and 396,842.28

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Solution

The fourth proportional to 817,796.04, 1,227,218.94 and 396,842.28 is: 595,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,796.04 : 1,227,218.94 = 396,842.28 : x
  2. Step 2: Convert to fraction form
    817,796.04/1,227,218.94 = 396,842.28/x
  3. Step 3: Cross multiply
    817,796.04x = 1,227,218.94 × 396,842.28
  4. Step 4: Simplify right side
    817,796.04x = 487,012,362,208.78
  5. Step 5: Solve for x
    x = 487,012,362,208.78/817,796.04
  6. Step 6: Final answer
    x = 595,518.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.