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Finding the Fourth Proportional to 636,600.09, 878,515.46 and 350,124.96

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Solution

The fourth proportional to 636,600.09, 878,515.46 and 350,124.96 is: 483,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,600.09 : 878,515.46 = 350,124.96 : x
  2. Step 2: Convert to fraction form
    636,600.09/878,515.46 = 350,124.96/x
  3. Step 3: Cross multiply
    636,600.09x = 878,515.46 × 350,124.96
  4. Step 4: Simplify right side
    636,600.09x = 307,590,190,291.88
  5. Step 5: Solve for x
    x = 307,590,190,291.88/636,600.09
  6. Step 6: Final answer
    x = 483,176.48

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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.