Home / 558,827.24-771,198.57-395,775.86

Finding the Fourth Proportional to 558,827.24, 771,198.57 and 395,775.86

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Solution

The fourth proportional to 558,827.24, 771,198.57 and 395,775.86 is: 546,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,827.24 : 771,198.57 = 395,775.86 : x
  2. Step 2: Convert to fraction form
    558,827.24/771,198.57 = 395,775.86/x
  3. Step 3: Cross multiply
    558,827.24x = 771,198.57 × 395,775.86
  4. Step 4: Simplify right side
    558,827.24x = 305,221,773,416.53
  5. Step 5: Solve for x
    x = 305,221,773,416.53/558,827.24
  6. Step 6: Final answer
    x = 546,182.71

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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.