Home / 726,028.40-1,088,167.80-370,859.60

Finding the Fourth Proportional to 726,028.40, 1,088,167.80 and 370,859.60

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Solution

The fourth proportional to 726,028.40, 1,088,167.80 and 370,859.60 is: 555,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,028.40 : 1,088,167.80 = 370,859.60 : x
  2. Step 2: Convert to fraction form
    726,028.40/1,088,167.80 = 370,859.60/x
  3. Step 3: Cross multiply
    726,028.40x = 1,088,167.80 × 370,859.60
  4. Step 4: Simplify right side
    726,028.40x = 403,557,475,040.88
  5. Step 5: Solve for x
    x = 403,557,475,040.88/726,028.40
  6. Step 6: Final answer
    x = 555,842.55

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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.