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Finding the Fourth Proportional to 601,318.86, 829,505.41 and 371,802.78

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Solution

The fourth proportional to 601,318.86, 829,505.41 and 371,802.78 is: 512,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,318.86 : 829,505.41 = 371,802.78 : x
  2. Step 2: Convert to fraction form
    601,318.86/829,505.41 = 371,802.78/x
  3. Step 3: Cross multiply
    601,318.86x = 829,505.41 × 371,802.78
  4. Step 4: Simplify right side
    601,318.86x = 308,412,411,456.50
  5. Step 5: Solve for x
    x = 308,412,411,456.50/601,318.86
  6. Step 6: Final answer
    x = 512,893.30

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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.