Home / 558,721.63-771,021.07-304,067.35

Finding the Fourth Proportional to 558,721.63, 771,021.07 and 304,067.35

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Solution

The fourth proportional to 558,721.63, 771,021.07 and 304,067.35 is: 419,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,721.63 : 771,021.07 = 304,067.35 : x
  2. Step 2: Convert to fraction form
    558,721.63/771,021.07 = 304,067.35/x
  3. Step 3: Cross multiply
    558,721.63x = 771,021.07 × 304,067.35
  4. Step 4: Simplify right side
    558,721.63x = 234,442,333,549.06
  5. Step 5: Solve for x
    x = 234,442,333,549.06/558,721.63
  6. Step 6: Final answer
    x = 419,604.90

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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.