Home / 558,795.80-771,286.42-344,115.72

Finding the Fourth Proportional to 558,795.80, 771,286.42 and 344,115.72

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Solution

The fourth proportional to 558,795.80, 771,286.42 and 344,115.72 is: 474,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,795.80 : 771,286.42 = 344,115.72 : x
  2. Step 2: Convert to fraction form
    558,795.80/771,286.42 = 344,115.72/x
  3. Step 3: Cross multiply
    558,795.80x = 771,286.42 × 344,115.72
  4. Step 4: Simplify right side
    558,795.80x = 265,411,781,744.52
  5. Step 5: Solve for x
    x = 265,411,781,744.52/558,795.80
  6. Step 6: Final answer
    x = 474,970.97

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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.