Home / 818,094.28-1,227,197.04-278,130.64

Finding the Fourth Proportional to 818,094.28, 1,227,197.04 and 278,130.64

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Solution

The fourth proportional to 818,094.28, 1,227,197.04 and 278,130.64 is: 417,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,094.28 : 1,227,197.04 = 278,130.64 : x
  2. Step 2: Convert to fraction form
    818,094.28/1,227,197.04 = 278,130.64/x
  3. Step 3: Cross multiply
    818,094.28x = 1,227,197.04 × 278,130.64
  4. Step 4: Simplify right side
    818,094.28x = 341,321,098,141.31
  5. Step 5: Solve for x
    x = 341,321,098,141.31/818,094.28
  6. Step 6: Final answer
    x = 417,214.87

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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.