Home / 703,004.31-1,056,188.73-450,778.96

Finding the Fourth Proportional to 703,004.31, 1,056,188.73 and 450,778.96

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Solution

The fourth proportional to 703,004.31, 1,056,188.73 and 450,778.96 is: 677,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,004.31 : 1,056,188.73 = 450,778.96 : x
  2. Step 2: Convert to fraction form
    703,004.31/1,056,188.73 = 450,778.96/x
  3. Step 3: Cross multiply
    703,004.31x = 1,056,188.73 × 450,778.96
  4. Step 4: Simplify right side
    703,004.31x = 476,107,657,273.12
  5. Step 5: Solve for x
    x = 476,107,657,273.12/703,004.31
  6. Step 6: Final answer
    x = 677,247.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.