Home / 558,776.70-771,128.46-344,040.57

Finding the Fourth Proportional to 558,776.70, 771,128.46 and 344,040.57

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Solution

The fourth proportional to 558,776.70, 771,128.46 and 344,040.57 is: 474,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,776.70 : 771,128.46 = 344,040.57 : x
  2. Step 2: Convert to fraction form
    558,776.70/771,128.46 = 344,040.57/x
  3. Step 3: Cross multiply
    558,776.70x = 771,128.46 × 344,040.57
  4. Step 4: Simplify right side
    558,776.70x = 265,299,474,921.62
  5. Step 5: Solve for x
    x = 265,299,474,921.62/558,776.70
  6. Step 6: Final answer
    x = 474,786.22

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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.