Home / 854,384.56-1,281,578.04-348,945.58

Finding the Fourth Proportional to 854,384.56, 1,281,578.04 and 348,945.58

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Solution

The fourth proportional to 854,384.56, 1,281,578.04 and 348,945.58 is: 523,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,384.56 : 1,281,578.04 = 348,945.58 : x
  2. Step 2: Convert to fraction form
    854,384.56/1,281,578.04 = 348,945.58/x
  3. Step 3: Cross multiply
    854,384.56x = 1,281,578.04 × 348,945.58
  4. Step 4: Simplify right side
    854,384.56x = 447,200,992,483.06
  5. Step 5: Solve for x
    x = 447,200,992,483.06/854,384.56
  6. Step 6: Final answer
    x = 523,418.86

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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.