Home / 854,337.20-1,281,408.60-223,314.80

Finding the Fourth Proportional to 854,337.20, 1,281,408.60 and 223,314.80

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Solution

The fourth proportional to 854,337.20, 1,281,408.60 and 223,314.80 is: 334,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,337.20 : 1,281,408.60 = 223,314.80 : x
  2. Step 2: Convert to fraction form
    854,337.20/1,281,408.60 = 223,314.80/x
  3. Step 3: Cross multiply
    854,337.20x = 1,281,408.60 × 223,314.80
  4. Step 4: Simplify right side
    854,337.20x = 286,157,505,227.28
  5. Step 5: Solve for x
    x = 286,157,505,227.28/854,337.20
  6. Step 6: Final answer
    x = 334,946.79

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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.