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Finding the Fourth Proportional to 501,817.01, 692,192.52 and 297,723.47

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Solution

The fourth proportional to 501,817.01, 692,192.52 and 297,723.47 is: 410,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,817.01 : 692,192.52 = 297,723.47 : x
  2. Step 2: Convert to fraction form
    501,817.01/692,192.52 = 297,723.47/x
  3. Step 3: Cross multiply
    501,817.01x = 692,192.52 × 297,723.47
  4. Step 4: Simplify right side
    501,817.01x = 206,081,955,501.48
  5. Step 5: Solve for x
    x = 206,081,955,501.48/501,817.01
  6. Step 6: Final answer
    x = 410,671.53

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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.