Home / 854,073.66-1,281,163.32-285,505.92

Finding the Fourth Proportional to 854,073.66, 1,281,163.32 and 285,505.92

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Solution

The fourth proportional to 854,073.66, 1,281,163.32 and 285,505.92 is: 428,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,073.66 : 1,281,163.32 = 285,505.92 : x
  2. Step 2: Convert to fraction form
    854,073.66/1,281,163.32 = 285,505.92/x
  3. Step 3: Cross multiply
    854,073.66x = 1,281,163.32 × 285,505.92
  4. Step 4: Simplify right side
    854,073.66x = 365,779,712,346.85
  5. Step 5: Solve for x
    x = 365,779,712,346.85/854,073.66
  6. Step 6: Final answer
    x = 428,276.54

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1.5x scale

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.