Home / 703,573.80-1,056,138.30-437,634.60

Finding the Fourth Proportional to 703,573.80, 1,056,138.30 and 437,634.60

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Solution

The fourth proportional to 703,573.80, 1,056,138.30 and 437,634.60 is: 656,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,573.80 : 1,056,138.30 = 437,634.60 : x
  2. Step 2: Convert to fraction form
    703,573.80/1,056,138.30 = 437,634.60/x
  3. Step 3: Cross multiply
    703,573.80x = 1,056,138.30 × 437,634.60
  4. Step 4: Simplify right side
    703,573.80x = 462,202,662,465.18
  5. Step 5: Solve for x
    x = 462,202,662,465.18/703,573.80
  6. Step 6: Final answer
    x = 656,935.58

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1.5x scale

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.