Home / 669,536.08-1,004,358.79-314,356.34

Finding the Fourth Proportional to 669,536.08, 1,004,358.79 and 314,356.34

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Solution

The fourth proportional to 669,536.08, 1,004,358.79 and 314,356.34 is: 471,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,536.08 : 1,004,358.79 = 314,356.34 : x
  2. Step 2: Convert to fraction form
    669,536.08/1,004,358.79 = 314,356.34/x
  3. Step 3: Cross multiply
    669,536.08x = 1,004,358.79 × 314,356.34
  4. Step 4: Simplify right side
    669,536.08x = 315,726,556,175.07
  5. Step 5: Solve for x
    x = 315,726,556,175.07/669,536.08
  6. Step 6: Final answer
    x = 471,560.18

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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.