Home / 645,794.46-968,769.45-213,526.62

Finding the Fourth Proportional to 645,794.46, 968,769.45 and 213,526.62

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Solution

The fourth proportional to 645,794.46, 968,769.45 and 213,526.62 is: 320,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,794.46 : 968,769.45 = 213,526.62 : x
  2. Step 2: Convert to fraction form
    645,794.46/968,769.45 = 213,526.62/x
  3. Step 3: Cross multiply
    645,794.46x = 968,769.45 × 213,526.62
  4. Step 4: Simplify right side
    645,794.46x = 206,858,066,217.76
  5. Step 5: Solve for x
    x = 206,858,066,217.76/645,794.46
  6. Step 6: Final answer
    x = 320,315.64

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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.