Home / 571,119.24-788,127.33-312,993.03

Finding the Fourth Proportional to 571,119.24, 788,127.33 and 312,993.03

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Solution

The fourth proportional to 571,119.24, 788,127.33 and 312,993.03 is: 431,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,119.24 : 788,127.33 = 312,993.03 : x
  2. Step 2: Convert to fraction form
    571,119.24/788,127.33 = 312,993.03/x
  3. Step 3: Cross multiply
    571,119.24x = 788,127.33 × 312,993.03
  4. Step 4: Simplify right side
    571,119.24x = 246,678,361,042.51
  5. Step 5: Solve for x
    x = 246,678,361,042.51/571,119.24
  6. Step 6: Final answer
    x = 431,920.94

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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.