Home / 725,008.29-1,087,933.73-298,587.03

Finding the Fourth Proportional to 725,008.29, 1,087,933.73 and 298,587.03

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Solution

The fourth proportional to 725,008.29, 1,087,933.73 and 298,587.03 is: 448,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,008.29 : 1,087,933.73 = 298,587.03 : x
  2. Step 2: Convert to fraction form
    725,008.29/1,087,933.73 = 298,587.03/x
  3. Step 3: Cross multiply
    725,008.29x = 1,087,933.73 × 298,587.03
  4. Step 4: Simplify right side
    725,008.29x = 324,842,899,784.59
  5. Step 5: Solve for x
    x = 324,842,899,784.59/725,008.29
  6. Step 6: Final answer
    x = 448,054.05

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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.