Home / 848,217.63-1,272,325.62-217,130.43

Finding the Fourth Proportional to 848,217.63, 1,272,325.62 and 217,130.43

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Solution

The fourth proportional to 848,217.63, 1,272,325.62 and 217,130.43 is: 325,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,217.63 : 1,272,325.62 = 217,130.43 : x
  2. Step 2: Convert to fraction form
    848,217.63/1,272,325.62 = 217,130.43/x
  3. Step 3: Cross multiply
    848,217.63x = 1,272,325.62 × 217,130.43
  4. Step 4: Simplify right side
    848,217.63x = 276,260,608,970.62
  5. Step 5: Solve for x
    x = 276,260,608,970.62/848,217.63
  6. Step 6: Final answer
    x = 325,695.43

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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.