Home / 891,163.60-1,336,742.20-217,237.20

Finding the Fourth Proportional to 891,163.60, 1,336,742.20 and 217,237.20

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Solution

The fourth proportional to 891,163.60, 1,336,742.20 and 217,237.20 is: 325,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,163.60 : 1,336,742.20 = 217,237.20 : x
  2. Step 2: Convert to fraction form
    891,163.60/1,336,742.20 = 217,237.20/x
  3. Step 3: Cross multiply
    891,163.60x = 1,336,742.20 × 217,237.20
  4. Step 4: Simplify right side
    891,163.60x = 290,390,132,649.84
  5. Step 5: Solve for x
    x = 290,390,132,649.84/891,163.60
  6. Step 6: Final answer
    x = 325,855.02

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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.