Home / 848,403.84-1,272,576.60-217,323.12

Finding the Fourth Proportional to 848,403.84, 1,272,576.60 and 217,323.12

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Solution

The fourth proportional to 848,403.84, 1,272,576.60 and 217,323.12 is: 325,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,403.84 : 1,272,576.60 = 217,323.12 : x
  2. Step 2: Convert to fraction form
    848,403.84/1,272,576.60 = 217,323.12/x
  3. Step 3: Cross multiply
    848,403.84x = 1,272,576.60 × 217,323.12
  4. Step 4: Simplify right side
    848,403.84x = 276,560,317,150.99
  5. Step 5: Solve for x
    x = 276,560,317,150.99/848,403.84
  6. Step 6: Final answer
    x = 325,977.21

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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.