Home / 854,427.20-1,281,768.22-314,641.94

Finding the Fourth Proportional to 854,427.20, 1,281,768.22 and 314,641.94

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Solution

The fourth proportional to 854,427.20, 1,281,768.22 and 314,641.94 is: 472,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,427.20 : 1,281,768.22 = 314,641.94 : x
  2. Step 2: Convert to fraction form
    854,427.20/1,281,768.22 = 314,641.94/x
  3. Step 3: Cross multiply
    854,427.20x = 1,281,768.22 × 314,641.94
  4. Step 4: Simplify right side
    854,427.20x = 403,298,041,788.96
  5. Step 5: Solve for x
    x = 403,298,041,788.96/854,427.20
  6. Step 6: Final answer
    x = 472,009.83

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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.