Home / 890,660.66-1,335,993.69-216,742.08

Finding the Fourth Proportional to 890,660.66, 1,335,993.69 and 216,742.08

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Solution

The fourth proportional to 890,660.66, 1,335,993.69 and 216,742.08 is: 325,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,660.66 : 1,335,993.69 = 216,742.08 : x
  2. Step 2: Convert to fraction form
    890,660.66/1,335,993.69 = 216,742.08/x
  3. Step 3: Cross multiply
    890,660.66x = 1,335,993.69 × 216,742.08
  4. Step 4: Simplify right side
    890,660.66x = 289,566,051,237.48
  5. Step 5: Solve for x
    x = 289,566,051,237.48/890,660.66
  6. Step 6: Final answer
    x = 325,113.78

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Similar ratio
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1.5x scale

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.