Home / 854,523.12-1,281,789-223,438.32

Finding the Fourth Proportional to 854,523.12, 1,281,789 and 223,438.32

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Solution

The fourth proportional to 854,523.12, 1,281,789 and 223,438.32 is: 335,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,523.12 : 1,281,789 = 223,438.32 : x
  2. Step 2: Convert to fraction form
    854,523.12/1,281,789 = 223,438.32/x
  3. Step 3: Cross multiply
    854,523.12x = 1,281,789 × 223,438.32
  4. Step 4: Simplify right side
    854,523.12x = 286,400,780,754.48
  5. Step 5: Solve for x
    x = 286,400,780,754.48/854,523.12
  6. Step 6: Final answer
    x = 335,158.61

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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.