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Finding the Fourth Proportional to 662,107.40, 995,234.70 and 649,665.80

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Solution

The fourth proportional to 662,107.40, 995,234.70 and 649,665.80 is: 976,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,107.40 : 995,234.70 = 649,665.80 : x
  2. Step 2: Convert to fraction form
    662,107.40/995,234.70 = 649,665.80/x
  3. Step 3: Cross multiply
    662,107.40x = 995,234.70 × 649,665.80
  4. Step 4: Simplify right side
    662,107.40x = 646,569,947,563.26
  5. Step 5: Solve for x
    x = 646,569,947,563.26/662,107.40
  6. Step 6: Final answer
    x = 976,533.34

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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.