Home / 905,101.20-1,357,719.84-274,065.84

Finding the Fourth Proportional to 905,101.20, 1,357,719.84 and 274,065.84

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Solution

The fourth proportional to 905,101.20, 1,357,719.84 and 274,065.84 is: 411,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,101.20 : 1,357,719.84 = 274,065.84 : x
  2. Step 2: Convert to fraction form
    905,101.20/1,357,719.84 = 274,065.84/x
  3. Step 3: Cross multiply
    905,101.20x = 1,357,719.84 × 274,065.84
  4. Step 4: Simplify right side
    905,101.20x = 372,104,628,434.27
  5. Step 5: Solve for x
    x = 372,104,628,434.27/905,101.20
  6. Step 6: Final answer
    x = 411,119.36

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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.