Home / 848,880.21-1,273,680.42-399,591.15

Finding the Fourth Proportional to 848,880.21, 1,273,680.42 and 399,591.15

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Solution

The fourth proportional to 848,880.21, 1,273,680.42 and 399,591.15 is: 599,556.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,880.21 : 1,273,680.42 = 399,591.15 : x
  2. Step 2: Convert to fraction form
    848,880.21/1,273,680.42 = 399,591.15/x
  3. Step 3: Cross multiply
    848,880.21x = 1,273,680.42 × 399,591.15
  4. Step 4: Simplify right side
    848,880.21x = 508,951,423,760.28
  5. Step 5: Solve for x
    x = 508,951,423,760.28/848,880.21
  6. Step 6: Final answer
    x = 599,556.24

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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.