Home / 890,707.05-1,336,041.88-216,792.11

Finding the Fourth Proportional to 890,707.05, 1,336,041.88 and 216,792.11

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Solution

The fourth proportional to 890,707.05, 1,336,041.88 and 216,792.11 is: 325,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,707.05 : 1,336,041.88 = 216,792.11 : x
  2. Step 2: Convert to fraction form
    890,707.05/1,336,041.88 = 216,792.11/x
  3. Step 3: Cross multiply
    890,707.05x = 1,336,041.88 × 216,792.11
  4. Step 4: Simplify right side
    890,707.05x = 289,643,341,011.69
  5. Step 5: Solve for x
    x = 289,643,341,011.69/890,707.05
  6. Step 6: Final answer
    x = 325,183.62

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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.