Home / 828,964.73-1,143,965.62-471,268.73

Finding the Fourth Proportional to 828,964.73, 1,143,965.62 and 471,268.73

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Solution

The fourth proportional to 828,964.73, 1,143,965.62 and 471,268.73 is: 650,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,964.73 : 1,143,965.62 = 471,268.73 : x
  2. Step 2: Convert to fraction form
    828,964.73/1,143,965.62 = 471,268.73/x
  3. Step 3: Cross multiply
    828,964.73x = 1,143,965.62 × 471,268.73
  4. Step 4: Simplify right side
    828,964.73x = 539,115,224,901.06
  5. Step 5: Solve for x
    x = 539,115,224,901.06/828,964.73
  6. Step 6: Final answer
    x = 650,347.60

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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.