Home / 857,993.73-1,287,248.94-773,356.83

Finding the Fourth Proportional to 857,993.73, 1,287,248.94 and 773,356.83

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Solution

The fourth proportional to 857,993.73, 1,287,248.94 and 773,356.83 is: 1,160,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,993.73 : 1,287,248.94 = 773,356.83 : x
  2. Step 2: Convert to fraction form
    857,993.73/1,287,248.94 = 773,356.83/x
  3. Step 3: Cross multiply
    857,993.73x = 1,287,248.94 × 773,356.83
  4. Step 4: Simplify right side
    857,993.73x = 995,502,759,659.26
  5. Step 5: Solve for x
    x = 995,502,759,659.26/857,993.73
  6. Step 6: Final answer
    x = 1,160,268.11

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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.