Home / 571,344.11-788,449.83-313,216.36

Finding the Fourth Proportional to 571,344.11, 788,449.83 and 313,216.36

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Solution

The fourth proportional to 571,344.11, 788,449.83 and 313,216.36 is: 432,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,344.11 : 788,449.83 = 313,216.36 : x
  2. Step 2: Convert to fraction form
    571,344.11/788,449.83 = 313,216.36/x
  3. Step 3: Cross multiply
    571,344.11x = 788,449.83 × 313,216.36
  4. Step 4: Simplify right side
    571,344.11x = 246,955,384,411.38
  5. Step 5: Solve for x
    x = 246,955,384,411.38/571,344.11
  6. Step 6: Final answer
    x = 432,235.81

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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.