Home / 748,517.31-1,032,941.84-408,978.27

Finding the Fourth Proportional to 748,517.31, 1,032,941.84 and 408,978.27

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Solution

The fourth proportional to 748,517.31, 1,032,941.84 and 408,978.27 is: 564,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,517.31 : 1,032,941.84 = 408,978.27 : x
  2. Step 2: Convert to fraction form
    748,517.31/1,032,941.84 = 408,978.27/x
  3. Step 3: Cross multiply
    748,517.31x = 1,032,941.84 × 408,978.27
  4. Step 4: Simplify right side
    748,517.31x = 422,450,764,688.93
  5. Step 5: Solve for x
    x = 422,450,764,688.93/748,517.31
  6. Step 6: Final answer
    x = 564,383.43

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1.5x scale

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.