Home / 558,904.13-771,287.82-304,255.25

Finding the Fourth Proportional to 558,904.13, 771,287.82 and 304,255.25

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Solution

The fourth proportional to 558,904.13, 771,287.82 and 304,255.25 is: 419,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,904.13 : 771,287.82 = 304,255.25 : x
  2. Step 2: Convert to fraction form
    558,904.13/771,287.82 = 304,255.25/x
  3. Step 3: Cross multiply
    558,904.13x = 771,287.82 × 304,255.25
  4. Step 4: Simplify right side
    558,904.13x = 234,668,368,496.06
  5. Step 5: Solve for x
    x = 234,668,368,496.06/558,904.13
  6. Step 6: Final answer
    x = 419,872.31

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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.