Home / 899,965.39-1,241,952.35-492,067.51

Finding the Fourth Proportional to 899,965.39, 1,241,952.35 and 492,067.51

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Solution

The fourth proportional to 899,965.39, 1,241,952.35 and 492,067.51 is: 679,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,965.39 : 1,241,952.35 = 492,067.51 : x
  2. Step 2: Convert to fraction form
    899,965.39/1,241,952.35 = 492,067.51/x
  3. Step 3: Cross multiply
    899,965.39x = 1,241,952.35 × 492,067.51
  4. Step 4: Simplify right side
    899,965.39x = 611,124,400,403.15
  5. Step 5: Solve for x
    x = 611,124,400,403.15/899,965.39
  6. Step 6: Final answer
    x = 679,053.22

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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.