Home / 854,515.70-1,281,846.72-223,428.50

Finding the Fourth Proportional to 854,515.70, 1,281,846.72 and 223,428.50

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Solution

The fourth proportional to 854,515.70, 1,281,846.72 and 223,428.50 is: 335,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,515.70 : 1,281,846.72 = 223,428.50 : x
  2. Step 2: Convert to fraction form
    854,515.70/1,281,846.72 = 223,428.50/x
  3. Step 3: Cross multiply
    854,515.70x = 1,281,846.72 × 223,428.50
  4. Step 4: Simplify right side
    854,515.70x = 286,401,089,879.52
  5. Step 5: Solve for x
    x = 286,401,089,879.52/854,515.70
  6. Step 6: Final answer
    x = 335,161.88

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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.