Home / 756,086.40-1,134,237.60-223,538.40

Finding the Fourth Proportional to 756,086.40, 1,134,237.60 and 223,538.40

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Solution

The fourth proportional to 756,086.40, 1,134,237.60 and 223,538.40 is: 335,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,086.40 : 1,134,237.60 = 223,538.40 : x
  2. Step 2: Convert to fraction form
    756,086.40/1,134,237.60 = 223,538.40/x
  3. Step 3: Cross multiply
    756,086.40x = 1,134,237.60 × 223,538.40
  4. Step 4: Simplify right side
    756,086.40x = 253,545,658,323.84
  5. Step 5: Solve for x
    x = 253,545,658,323.84/756,086.40
  6. Step 6: Final answer
    x = 335,339.53

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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.