Home / 854,520.95-1,281,854.60-223,433.75

Finding the Fourth Proportional to 854,520.95, 1,281,854.60 and 223,433.75

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Solution

The fourth proportional to 854,520.95, 1,281,854.60 and 223,433.75 is: 335,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,520.95 : 1,281,854.60 = 223,433.75 : x
  2. Step 2: Convert to fraction form
    854,520.95/1,281,854.60 = 223,433.75/x
  3. Step 3: Cross multiply
    854,520.95x = 1,281,854.60 × 223,433.75
  4. Step 4: Simplify right side
    854,520.95x = 286,409,580,232.75
  5. Step 5: Solve for x
    x = 286,409,580,232.75/854,520.95
  6. Step 6: Final answer
    x = 335,169.76

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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.