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Finding the Fourth Proportional to 680,126.94, 938,582.37 and 374,207.36

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Solution

The fourth proportional to 680,126.94, 938,582.37 and 374,207.36 is: 516,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,126.94 : 938,582.37 = 374,207.36 : x
  2. Step 2: Convert to fraction form
    680,126.94/938,582.37 = 374,207.36/x
  3. Step 3: Cross multiply
    680,126.94x = 938,582.37 × 374,207.36
  4. Step 4: Simplify right side
    680,126.94x = 351,224,426,127.33
  5. Step 5: Solve for x
    x = 351,224,426,127.33/680,126.94
  6. Step 6: Final answer
    x = 516,410.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.