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Finding the Fourth Proportional to 850,444.88, 1,275,713.88 and 344,930.76

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Solution

The fourth proportional to 850,444.88, 1,275,713.88 and 344,930.76 is: 517,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,444.88 : 1,275,713.88 = 344,930.76 : x
  2. Step 2: Convert to fraction form
    850,444.88/1,275,713.88 = 344,930.76/x
  3. Step 3: Cross multiply
    850,444.88x = 1,275,713.88 × 344,930.76
  4. Step 4: Simplify right side
    850,444.88x = 440,032,958,170.95
  5. Step 5: Solve for x
    x = 440,032,958,170.95/850,444.88
  6. Step 6: Final answer
    x = 517,415.02

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1.5x scale

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.