Home / 891,719.06-1,337,622.46-359,168.09

Finding the Fourth Proportional to 891,719.06, 1,337,622.46 and 359,168.09

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Solution

The fourth proportional to 891,719.06, 1,337,622.46 and 359,168.09 is: 538,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,719.06 : 1,337,622.46 = 359,168.09 : x
  2. Step 2: Convert to fraction form
    891,719.06/1,337,622.46 = 359,168.09/x
  3. Step 3: Cross multiply
    891,719.06x = 1,337,622.46 × 359,168.09
  4. Step 4: Simplify right side
    891,719.06x = 480,431,296,513.27
  5. Step 5: Solve for x
    x = 480,431,296,513.27/891,719.06
  6. Step 6: Final answer
    x = 538,769.80

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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.