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Finding the Fourth Proportional to 703,414.08, 970,688.82 and 401,608.08

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Solution

The fourth proportional to 703,414.08, 970,688.82 and 401,608.08 is: 554,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,414.08 : 970,688.82 = 401,608.08 : x
  2. Step 2: Convert to fraction form
    703,414.08/970,688.82 = 401,608.08/x
  3. Step 3: Cross multiply
    703,414.08x = 970,688.82 × 401,608.08
  4. Step 4: Simplify right side
    703,414.08x = 389,836,473,277.67
  5. Step 5: Solve for x
    x = 389,836,473,277.67/703,414.08
  6. Step 6: Final answer
    x = 554,206.24

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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.