Home / 571,096.96-788,080.92-312,923.42

Finding the Fourth Proportional to 571,096.96, 788,080.92 and 312,923.42

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Solution

The fourth proportional to 571,096.96, 788,080.92 and 312,923.42 is: 431,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,096.96 : 788,080.92 = 312,923.42 : x
  2. Step 2: Convert to fraction form
    571,096.96/788,080.92 = 312,923.42/x
  3. Step 3: Cross multiply
    571,096.96x = 788,080.92 × 312,923.42
  4. Step 4: Simplify right side
    571,096.96x = 246,608,976,723.15
  5. Step 5: Solve for x
    x = 246,608,976,723.15/571,096.96
  6. Step 6: Final answer
    x = 431,816.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.