Home / 571,238.91-788,279.34-329,507.07

Finding the Fourth Proportional to 571,238.91, 788,279.34 and 329,507.07

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Solution

The fourth proportional to 571,238.91, 788,279.34 and 329,507.07 is: 454,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,238.91 : 788,279.34 = 329,507.07 : x
  2. Step 2: Convert to fraction form
    571,238.91/788,279.34 = 329,507.07/x
  3. Step 3: Cross multiply
    571,238.91x = 788,279.34 × 329,507.07
  4. Step 4: Simplify right side
    571,238.91x = 259,743,615,664.93
  5. Step 5: Solve for x
    x = 259,743,615,664.93/571,238.91
  6. Step 6: Final answer
    x = 454,702.25

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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.