Home / 729,459.30-1,093,670.55-330,291.30

Finding the Fourth Proportional to 729,459.30, 1,093,670.55 and 330,291.30

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Solution

The fourth proportional to 729,459.30, 1,093,670.55 and 330,291.30 is: 495,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,459.30 : 1,093,670.55 = 330,291.30 : x
  2. Step 2: Convert to fraction form
    729,459.30/1,093,670.55 = 330,291.30/x
  3. Step 3: Cross multiply
    729,459.30x = 1,093,670.55 × 330,291.30
  4. Step 4: Simplify right side
    729,459.30x = 361,229,867,731.22
  5. Step 5: Solve for x
    x = 361,229,867,731.22/729,459.30
  6. Step 6: Final answer
    x = 495,202.22

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1.5x scale

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.