Home / 441,619.40-662,647.80-252,225.20

Finding the Fourth Proportional to 441,619.40, 662,647.80 and 252,225.20

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Solution

The fourth proportional to 441,619.40, 662,647.80 and 252,225.20 is: 378,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,619.40 : 662,647.80 = 252,225.20 : x
  2. Step 2: Convert to fraction form
    441,619.40/662,647.80 = 252,225.20/x
  3. Step 3: Cross multiply
    441,619.40x = 662,647.80 × 252,225.20
  4. Step 4: Simplify right side
    441,619.40x = 167,136,473,884.56
  5. Step 5: Solve for x
    x = 167,136,473,884.56/441,619.40
  6. Step 6: Final answer
    x = 378,462.71

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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.