Home / 703,025.60-1,052,080.80-644,043.20

Finding the Fourth Proportional to 703,025.60, 1,052,080.80 and 644,043.20

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Solution

The fourth proportional to 703,025.60, 1,052,080.80 and 644,043.20 is: 963,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,025.60 : 1,052,080.80 = 644,043.20 : x
  2. Step 2: Convert to fraction form
    703,025.60/1,052,080.80 = 644,043.20/x
  3. Step 3: Cross multiply
    703,025.60x = 1,052,080.80 × 644,043.20
  4. Step 4: Simplify right side
    703,025.60x = 677,585,485,090.56
  5. Step 5: Solve for x
    x = 677,585,485,090.56/703,025.60
  6. Step 6: Final answer
    x = 963,813.39

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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.