Home / 703,301.60-1,056,239.39-644,012.64

Finding the Fourth Proportional to 703,301.60, 1,056,239.39 and 644,012.64

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Solution

The fourth proportional to 703,301.60, 1,056,239.39 and 644,012.64 is: 967,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,301.60 : 1,056,239.39 = 644,012.64 : x
  2. Step 2: Convert to fraction form
    703,301.60/1,056,239.39 = 644,012.64/x
  3. Step 3: Cross multiply
    703,301.60x = 1,056,239.39 × 644,012.64
  4. Step 4: Simplify right side
    703,301.60x = 680,231,519,635.92
  5. Step 5: Solve for x
    x = 680,231,519,635.92/703,301.60
  6. Step 6: Final answer
    x = 967,197.45

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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.