Home / 854,328.87-1,281,494.55-348,889.85

Finding the Fourth Proportional to 854,328.87, 1,281,494.55 and 348,889.85

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Solution

The fourth proportional to 854,328.87, 1,281,494.55 and 348,889.85 is: 523,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,328.87 : 1,281,494.55 = 348,889.85 : x
  2. Step 2: Convert to fraction form
    854,328.87/1,281,494.55 = 348,889.85/x
  3. Step 3: Cross multiply
    854,328.87x = 1,281,494.55 × 348,889.85
  4. Step 4: Simplify right side
    854,328.87x = 447,100,438,088.03
  5. Step 5: Solve for x
    x = 447,100,438,088.03/854,328.87
  6. Step 6: Final answer
    x = 523,335.28

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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.