Home / 854,305.20-1,281,360.60-223,282.80

Finding the Fourth Proportional to 854,305.20, 1,281,360.60 and 223,282.80

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Solution

The fourth proportional to 854,305.20, 1,281,360.60 and 223,282.80 is: 334,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,305.20 : 1,281,360.60 = 223,282.80 : x
  2. Step 2: Convert to fraction form
    854,305.20/1,281,360.60 = 223,282.80/x
  3. Step 3: Cross multiply
    854,305.20x = 1,281,360.60 × 223,282.80
  4. Step 4: Simplify right side
    854,305.20x = 286,105,782,577.68
  5. Step 5: Solve for x
    x = 286,105,782,577.68/854,305.20
  6. Step 6: Final answer
    x = 334,898.80

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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.