Home / 446,619.60-669,151.80-288,766.80

Finding the Fourth Proportional to 446,619.60, 669,151.80 and 288,766.80

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Solution

The fourth proportional to 446,619.60, 669,151.80 and 288,766.80 is: 432,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,619.60 : 669,151.80 = 288,766.80 : x
  2. Step 2: Convert to fraction form
    446,619.60/669,151.80 = 288,766.80/x
  3. Step 3: Cross multiply
    446,619.60x = 669,151.80 × 288,766.80
  4. Step 4: Simplify right side
    446,619.60x = 193,228,824,000.24
  5. Step 5: Solve for x
    x = 193,228,824,000.24/446,619.60
  6. Step 6: Final answer
    x = 432,647.43

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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.