Home / 558,824.24-771,194.43-395,772.86

Finding the Fourth Proportional to 558,824.24, 771,194.43 and 395,772.86

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Solution

The fourth proportional to 558,824.24, 771,194.43 and 395,772.86 is: 546,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,824.24 : 771,194.43 = 395,772.86 : x
  2. Step 2: Convert to fraction form
    558,824.24/771,194.43 = 395,772.86/x
  3. Step 3: Cross multiply
    558,824.24x = 771,194.43 × 395,772.86
  4. Step 4: Simplify right side
    558,824.24x = 305,217,821,321.20
  5. Step 5: Solve for x
    x = 305,217,821,321.20/558,824.24
  6. Step 6: Final answer
    x = 546,178.57

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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.