Home / 854,515.20-1,281,845.97-223,428

Finding the Fourth Proportional to 854,515.20, 1,281,845.97 and 223,428

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Solution

The fourth proportional to 854,515.20, 1,281,845.97 and 223,428 is: 335,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,515.20 : 1,281,845.97 = 223,428 : x
  2. Step 2: Convert to fraction form
    854,515.20/1,281,845.97 = 223,428/x
  3. Step 3: Cross multiply
    854,515.20x = 1,281,845.97 × 223,428
  4. Step 4: Simplify right side
    854,515.20x = 286,400,281,385.16
  5. Step 5: Solve for x
    x = 286,400,281,385.16/854,515.20
  6. Step 6: Final answer
    x = 335,161.13

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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.