Home / 403,790.20-605,685.30-325,058.20

Finding the Fourth Proportional to 403,790.20, 605,685.30 and 325,058.20

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Solution

The fourth proportional to 403,790.20, 605,685.30 and 325,058.20 is: 487,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,790.20 : 605,685.30 = 325,058.20 : x
  2. Step 2: Convert to fraction form
    403,790.20/605,685.30 = 325,058.20/x
  3. Step 3: Cross multiply
    403,790.20x = 605,685.30 × 325,058.20
  4. Step 4: Simplify right side
    403,790.20x = 196,882,973,384.46
  5. Step 5: Solve for x
    x = 196,882,973,384.46/403,790.20
  6. Step 6: Final answer
    x = 487,587.30

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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.