Home / 558,791.78-771,149.38-344,055.74

Finding the Fourth Proportional to 558,791.78, 771,149.38 and 344,055.74

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Solution

The fourth proportional to 558,791.78, 771,149.38 and 344,055.74 is: 474,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,791.78 : 771,149.38 = 344,055.74 : x
  2. Step 2: Convert to fraction form
    558,791.78/771,149.38 = 344,055.74/x
  3. Step 3: Cross multiply
    558,791.78x = 771,149.38 × 344,055.74
  4. Step 4: Simplify right side
    558,791.78x = 265,318,370,586.44
  5. Step 5: Solve for x
    x = 265,318,370,586.44/558,791.78
  6. Step 6: Final answer
    x = 474,807.22

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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.