Home / 854,043.44-1,280,064.60-348,289.04

Finding the Fourth Proportional to 854,043.44, 1,280,064.60 and 348,289.04

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Solution

The fourth proportional to 854,043.44, 1,280,064.60 and 348,289.04 is: 522,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,043.44 : 1,280,064.60 = 348,289.04 : x
  2. Step 2: Convert to fraction form
    854,043.44/1,280,064.60 = 348,289.04/x
  3. Step 3: Cross multiply
    854,043.44x = 1,280,064.60 × 348,289.04
  4. Step 4: Simplify right side
    854,043.44x = 445,832,470,671.98
  5. Step 5: Solve for x
    x = 445,832,470,671.98/854,043.44
  6. Step 6: Final answer
    x = 522,025.52

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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.