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Finding the Fourth Proportional to 848,499.60, 1,272,720.60 and 217,419.60

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Solution

The fourth proportional to 848,499.60, 1,272,720.60 and 217,419.60 is: 326,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,499.60 : 1,272,720.60 = 217,419.60 : x
  2. Step 2: Convert to fraction form
    848,499.60/1,272,720.60 = 217,419.60/x
  3. Step 3: Cross multiply
    848,499.60x = 1,272,720.60 × 217,419.60
  4. Step 4: Simplify right side
    848,499.60x = 276,714,403,763.76
  5. Step 5: Solve for x
    x = 276,714,403,763.76/848,499.60
  6. Step 6: Final answer
    x = 326,122.02

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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.