Home / 558,232.72-770,580.08-395,738.52

Finding the Fourth Proportional to 558,232.72, 770,580.08 and 395,738.52

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Solution

The fourth proportional to 558,232.72, 770,580.08 and 395,738.52 is: 546,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,232.72 : 770,580.08 = 395,738.52 : x
  2. Step 2: Convert to fraction form
    558,232.72/770,580.08 = 395,738.52/x
  3. Step 3: Cross multiply
    558,232.72x = 770,580.08 × 395,738.52
  4. Step 4: Simplify right side
    558,232.72x = 304,948,220,400.68
  5. Step 5: Solve for x
    x = 304,948,220,400.68/558,232.72
  6. Step 6: Final answer
    x = 546,274.36

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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.