Home / 558,659.12-770,948.16-304,010.24

Finding the Fourth Proportional to 558,659.12, 770,948.16 and 304,010.24

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Solution

The fourth proportional to 558,659.12, 770,948.16 and 304,010.24 is: 419,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,659.12 : 770,948.16 = 304,010.24 : x
  2. Step 2: Convert to fraction form
    558,659.12/770,948.16 = 304,010.24/x
  3. Step 3: Cross multiply
    558,659.12x = 770,948.16 × 304,010.24
  4. Step 4: Simplify right side
    558,659.12x = 234,376,135,149.16
  5. Step 5: Solve for x
    x = 234,376,135,149.16/558,659.12
  6. Step 6: Final answer
    x = 419,533.36

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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.