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Finding the Fourth Proportional to 601,772.82, 830,531.54 and 372,403.98

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Solution

The fourth proportional to 601,772.82, 830,531.54 and 372,403.98 is: 513,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,772.82 : 830,531.54 = 372,403.98 : x
  2. Step 2: Convert to fraction form
    601,772.82/830,531.54 = 372,403.98/x
  3. Step 3: Cross multiply
    601,772.82x = 830,531.54 × 372,403.98
  4. Step 4: Simplify right side
    601,772.82x = 309,293,251,942.54
  5. Step 5: Solve for x
    x = 309,293,251,942.54/601,772.82
  6. Step 6: Final answer
    x = 513,970.13

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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.