Home / 677,984.58-1,016,927.33-318,237.39

Finding the Fourth Proportional to 677,984.58, 1,016,927.33 and 318,237.39

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Solution

The fourth proportional to 677,984.58, 1,016,927.33 and 318,237.39 is: 477,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,984.58 : 1,016,927.33 = 318,237.39 : x
  2. Step 2: Convert to fraction form
    677,984.58/1,016,927.33 = 318,237.39/x
  3. Step 3: Cross multiply
    677,984.58x = 1,016,927.33 × 318,237.39
  4. Step 4: Simplify right side
    677,984.58x = 323,624,297,727.68
  5. Step 5: Solve for x
    x = 323,624,297,727.68/677,984.58
  6. Step 6: Final answer
    x = 477,332.83

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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.