Home / 669,395.51-1,004,125.55-220,106.43

Finding the Fourth Proportional to 669,395.51, 1,004,125.55 and 220,106.43

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Solution

The fourth proportional to 669,395.51, 1,004,125.55 and 220,106.43 is: 330,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,395.51 : 1,004,125.55 = 220,106.43 : x
  2. Step 2: Convert to fraction form
    669,395.51/1,004,125.55 = 220,106.43/x
  3. Step 3: Cross multiply
    669,395.51x = 1,004,125.55 × 220,106.43
  4. Step 4: Simplify right side
    669,395.51x = 221,014,488,981.75
  5. Step 5: Solve for x
    x = 221,014,488,981.75/669,395.51
  6. Step 6: Final answer
    x = 330,170.26

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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.