Home / 323,824.60-485,736.90-304,125.40

Finding the Fourth Proportional to 323,824.60, 485,736.90 and 304,125.40

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Solution

The fourth proportional to 323,824.60, 485,736.90 and 304,125.40 is: 456,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,824.60 : 485,736.90 = 304,125.40 : x
  2. Step 2: Convert to fraction form
    323,824.60/485,736.90 = 304,125.40/x
  3. Step 3: Cross multiply
    323,824.60x = 485,736.90 × 304,125.40
  4. Step 4: Simplify right side
    323,824.60x = 147,724,929,007.26
  5. Step 5: Solve for x
    x = 147,724,929,007.26/323,824.60
  6. Step 6: Final answer
    x = 456,188.10

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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.