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Finding the Fourth Proportional to 609,973.72, 841,751.62 and 338,035.97

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Solution

The fourth proportional to 609,973.72, 841,751.62 and 338,035.97 is: 466,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,973.72 : 841,751.62 = 338,035.97 : x
  2. Step 2: Convert to fraction form
    609,973.72/841,751.62 = 338,035.97/x
  3. Step 3: Cross multiply
    609,973.72x = 841,751.62 × 338,035.97
  4. Step 4: Simplify right side
    609,973.72x = 284,542,326,625.06
  5. Step 5: Solve for x
    x = 284,542,326,625.06/609,973.72
  6. Step 6: Final answer
    x = 466,482.93

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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.