Home / 722,683.28-1,078,869.22-674,656.64

Finding the Fourth Proportional to 722,683.28, 1,078,869.22 and 674,656.64

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Solution

The fourth proportional to 722,683.28, 1,078,869.22 and 674,656.64 is: 1,007,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,683.28 : 1,078,869.22 = 674,656.64 : x
  2. Step 2: Convert to fraction form
    722,683.28/1,078,869.22 = 674,656.64/x
  3. Step 3: Cross multiply
    722,683.28x = 1,078,869.22 × 674,656.64
  4. Step 4: Simplify right side
    722,683.28x = 727,866,282,964.62
  5. Step 5: Solve for x
    x = 727,866,282,964.62/722,683.28
  6. Step 6: Final answer
    x = 1,007,171.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.