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Finding the Fourth Proportional to 526,772.18, 726,958.06 and 300,412.82

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Solution

The fourth proportional to 526,772.18, 726,958.06 and 300,412.82 is: 414,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,772.18 : 726,958.06 = 300,412.82 : x
  2. Step 2: Convert to fraction form
    526,772.18/726,958.06 = 300,412.82/x
  3. Step 3: Cross multiply
    526,772.18x = 726,958.06 × 300,412.82
  4. Step 4: Simplify right side
    526,772.18x = 218,387,520,826.33
  5. Step 5: Solve for x
    x = 218,387,520,826.33/526,772.18
  6. Step 6: Final answer
    x = 414,576.79

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1.5x scale

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.