Home / 854,433.60-1,280,896.13-322,328.30

Finding the Fourth Proportional to 854,433.60, 1,280,896.13 and 322,328.30

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Solution

The fourth proportional to 854,433.60, 1,280,896.13 and 322,328.30 is: 483,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,433.60 : 1,280,896.13 = 322,328.30 : x
  2. Step 2: Convert to fraction form
    854,433.60/1,280,896.13 = 322,328.30/x
  3. Step 3: Cross multiply
    854,433.60x = 1,280,896.13 × 322,328.30
  4. Step 4: Simplify right side
    854,433.60x = 412,869,072,059.48
  5. Step 5: Solve for x
    x = 412,869,072,059.48/854,433.60
  6. Step 6: Final answer
    x = 483,207.91

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1.5x scale

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.