Home / 505,979.60-758,972.66-202,399.11

Finding the Fourth Proportional to 505,979.60, 758,972.66 and 202,399.11

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Solution

The fourth proportional to 505,979.60, 758,972.66 and 202,399.11 is: 303,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,979.60 : 758,972.66 = 202,399.11 : x
  2. Step 2: Convert to fraction form
    505,979.60/758,972.66 = 202,399.11/x
  3. Step 3: Cross multiply
    505,979.60x = 758,972.66 × 202,399.11
  4. Step 4: Simplify right side
    505,979.60x = 153,615,389,886.34
  5. Step 5: Solve for x
    x = 153,615,389,886.34/505,979.60
  6. Step 6: Final answer
    x = 303,599.97

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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.