Home / 558,230.72-770,577.32-395,736.52

Finding the Fourth Proportional to 558,230.72, 770,577.32 and 395,736.52

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Solution

The fourth proportional to 558,230.72, 770,577.32 and 395,736.52 is: 546,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,230.72 : 770,577.32 = 395,736.52 : x
  2. Step 2: Convert to fraction form
    558,230.72/770,577.32 = 395,736.52/x
  3. Step 3: Cross multiply
    558,230.72x = 770,577.32 × 395,736.52
  4. Step 4: Simplify right side
    558,230.72x = 304,945,587,007.73
  5. Step 5: Solve for x
    x = 304,945,587,007.73/558,230.72
  6. Step 6: Final answer
    x = 546,271.60

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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.