Home / 558,954.40-771,370.94-304,319.56

Finding the Fourth Proportional to 558,954.40, 771,370.94 and 304,319.56

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Solution

The fourth proportional to 558,954.40, 771,370.94 and 304,319.56 is: 419,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,954.40 : 771,370.94 = 304,319.56 : x
  2. Step 2: Convert to fraction form
    558,954.40/771,370.94 = 304,319.56/x
  3. Step 3: Cross multiply
    558,954.40x = 771,370.94 × 304,319.56
  4. Step 4: Simplify right side
    558,954.40x = 234,743,265,057.59
  5. Step 5: Solve for x
    x = 234,743,265,057.59/558,954.40
  6. Step 6: Final answer
    x = 419,968.54

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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.