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Finding the Fourth Proportional to 607,517.35, 838,339.21 and 362,778.28

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Solution

The fourth proportional to 607,517.35, 838,339.21 and 362,778.28 is: 500,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,517.35 : 838,339.21 = 362,778.28 : x
  2. Step 2: Convert to fraction form
    607,517.35/838,339.21 = 362,778.28/x
  3. Step 3: Cross multiply
    607,517.35x = 838,339.21 × 362,778.28
  4. Step 4: Simplify right side
    607,517.35x = 304,131,252,468.66
  5. Step 5: Solve for x
    x = 304,131,252,468.66/607,517.35
  6. Step 6: Final answer
    x = 500,613.28

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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.