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Finding the Fourth Proportional to 897,015.60, 1,345,782.60 and 265,944.60

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Solution

The fourth proportional to 897,015.60, 1,345,782.60 and 265,944.60 is: 398,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,015.60 : 1,345,782.60 = 265,944.60 : x
  2. Step 2: Convert to fraction form
    897,015.60/1,345,782.60 = 265,944.60/x
  3. Step 3: Cross multiply
    897,015.60x = 1,345,782.60 × 265,944.60
  4. Step 4: Simplify right side
    897,015.60x = 357,903,615,243.96
  5. Step 5: Solve for x
    x = 357,903,615,243.96/897,015.60
  6. Step 6: Final answer
    x = 398,993.75

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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.