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Finding the Fourth Proportional to 607,630.98, 838,602 and 366,035.52

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Solution

The fourth proportional to 607,630.98, 838,602 and 366,035.52 is: 505,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,630.98 : 838,602 = 366,035.52 : x
  2. Step 2: Convert to fraction form
    607,630.98/838,602 = 366,035.52/x
  3. Step 3: Cross multiply
    607,630.98x = 838,602 × 366,035.52
  4. Step 4: Simplify right side
    607,630.98x = 306,958,119,143.04
  5. Step 5: Solve for x
    x = 306,958,119,143.04/607,630.98
  6. Step 6: Final answer
    x = 505,171.94

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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.