Home / 856,268.60-1,284,014.10-323,612.60

Finding the Fourth Proportional to 856,268.60, 1,284,014.10 and 323,612.60

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Solution

The fourth proportional to 856,268.60, 1,284,014.10 and 323,612.60 is: 485,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,268.60 : 1,284,014.10 = 323,612.60 : x
  2. Step 2: Convert to fraction form
    856,268.60/1,284,014.10 = 323,612.60/x
  3. Step 3: Cross multiply
    856,268.60x = 1,284,014.10 × 323,612.60
  4. Step 4: Simplify right side
    856,268.60x = 415,523,141,337.66
  5. Step 5: Solve for x
    x = 415,523,141,337.66/856,268.60
  6. Step 6: Final answer
    x = 485,271.96

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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.