Home / 645,236.28-968,051.34-329,914.62

Finding the Fourth Proportional to 645,236.28, 968,051.34 and 329,914.62

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Solution

The fourth proportional to 645,236.28, 968,051.34 and 329,914.62 is: 494,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,236.28 : 968,051.34 = 329,914.62 : x
  2. Step 2: Convert to fraction form
    645,236.28/968,051.34 = 329,914.62/x
  3. Step 3: Cross multiply
    645,236.28x = 968,051.34 × 329,914.62
  4. Step 4: Simplify right side
    645,236.28x = 319,374,289,976.59
  5. Step 5: Solve for x
    x = 319,374,289,976.59/645,236.28
  6. Step 6: Final answer
    x = 494,972.62

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Double scale
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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.