Home / 729,457.80-1,093,668.30-330,289.80

Finding the Fourth Proportional to 729,457.80, 1,093,668.30 and 330,289.80

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Solution

The fourth proportional to 729,457.80, 1,093,668.30 and 330,289.80 is: 495,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,457.80 : 1,093,668.30 = 330,289.80 : x
  2. Step 2: Convert to fraction form
    729,457.80/1,093,668.30 = 330,289.80/x
  3. Step 3: Cross multiply
    729,457.80x = 1,093,668.30 × 330,289.80
  4. Step 4: Simplify right side
    729,457.80x = 361,227,484,073.34
  5. Step 5: Solve for x
    x = 361,227,484,073.34/729,457.80
  6. Step 6: Final answer
    x = 495,199.97

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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.