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Finding the Fourth Proportional to 662,736.60, 914,576.40 and 360,930.60

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Solution

The fourth proportional to 662,736.60, 914,576.40 and 360,930.60 is: 498,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,736.60 : 914,576.40 = 360,930.60 : x
  2. Step 2: Convert to fraction form
    662,736.60/914,576.40 = 360,930.60/x
  3. Step 3: Cross multiply
    662,736.60x = 914,576.40 × 360,930.60
  4. Step 4: Simplify right side
    662,736.60x = 330,098,608,797.84
  5. Step 5: Solve for x
    x = 330,098,608,797.84/662,736.60
  6. Step 6: Final answer
    x = 498,084.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.