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Finding the Fourth Proportional to 526,286.88, 788,293.08 and 276,444

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Solution

The fourth proportional to 526,286.88, 788,293.08 and 276,444 is: 414,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,286.88 : 788,293.08 = 276,444 : x
  2. Step 2: Convert to fraction form
    526,286.88/788,293.08 = 276,444/x
  3. Step 3: Cross multiply
    526,286.88x = 788,293.08 × 276,444
  4. Step 4: Simplify right side
    526,286.88x = 217,918,892,207.52
  5. Step 5: Solve for x
    x = 217,918,892,207.52/526,286.88
  6. Step 6: Final answer
    x = 414,068.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.