Home / 723,628.16-998,668.02-401,441.96

Finding the Fourth Proportional to 723,628.16, 998,668.02 and 401,441.96

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Solution

The fourth proportional to 723,628.16, 998,668.02 and 401,441.96 is: 554,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,628.16 : 998,668.02 = 401,441.96 : x
  2. Step 2: Convert to fraction form
    723,628.16/998,668.02 = 401,441.96/x
  3. Step 3: Cross multiply
    723,628.16x = 998,668.02 × 401,441.96
  4. Step 4: Simplify right side
    723,628.16x = 400,907,247,338.12
  5. Step 5: Solve for x
    x = 400,907,247,338.12/723,628.16
  6. Step 6: Final answer
    x = 554,023.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.