Home / 571,200.24-856,979.40-343,744.02

Finding the Fourth Proportional to 571,200.24, 856,979.40 and 343,744.02

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Solution

The fourth proportional to 571,200.24, 856,979.40 and 343,744.02 is: 515,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,200.24 : 856,979.40 = 343,744.02 : x
  2. Step 2: Convert to fraction form
    571,200.24/856,979.40 = 343,744.02/x
  3. Step 3: Cross multiply
    571,200.24x = 856,979.40 × 343,744.02
  4. Step 4: Simplify right side
    571,200.24x = 294,581,544,013.19
  5. Step 5: Solve for x
    x = 294,581,544,013.19/571,200.24
  6. Step 6: Final answer
    x = 515,723.77

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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.