Home / 854,534.20-1,281,704.10-223,511.80

Finding the Fourth Proportional to 854,534.20, 1,281,704.10 and 223,511.80

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Solution

The fourth proportional to 854,534.20, 1,281,704.10 and 223,511.80 is: 335,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,534.20 : 1,281,704.10 = 223,511.80 : x
  2. Step 2: Convert to fraction form
    854,534.20/1,281,704.10 = 223,511.80/x
  3. Step 3: Cross multiply
    854,534.20x = 1,281,704.10 × 223,511.80
  4. Step 4: Simplify right side
    854,534.20x = 286,475,990,458.38
  5. Step 5: Solve for x
    x = 286,475,990,458.38/854,534.20
  6. Step 6: Final answer
    x = 335,242.28

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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.