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Finding the Fourth Proportional to 662,675.60, 994,013.40 and 613,960.18

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Solution

The fourth proportional to 662,675.60, 994,013.40 and 613,960.18 is: 920,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,675.60 : 994,013.40 = 613,960.18 : x
  2. Step 2: Convert to fraction form
    662,675.60/994,013.40 = 613,960.18/x
  3. Step 3: Cross multiply
    662,675.60x = 994,013.40 × 613,960.18
  4. Step 4: Simplify right side
    662,675.60x = 610,284,645,986.41
  5. Step 5: Solve for x
    x = 610,284,645,986.41/662,675.60
  6. Step 6: Final answer
    x = 920,940.27

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Double scale
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Similar ratio
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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.