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Finding the Fourth Proportional to 609,268.63, 840,816.98 and 337,336.51

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Solution

The fourth proportional to 609,268.63, 840,816.98 and 337,336.51 is: 465,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,268.63 : 840,816.98 = 337,336.51 : x
  2. Step 2: Convert to fraction form
    609,268.63/840,816.98 = 337,336.51/x
  3. Step 3: Cross multiply
    609,268.63x = 840,816.98 × 337,336.51
  4. Step 4: Simplify right side
    609,268.63x = 283,638,265,581.94
  5. Step 5: Solve for x
    x = 283,638,265,581.94/609,268.63
  6. Step 6: Final answer
    x = 465,538.93

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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.