Home / 756,124.08-1,134,407.54-223,659.28

Finding the Fourth Proportional to 756,124.08, 1,134,407.54 and 223,659.28

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Solution

The fourth proportional to 756,124.08, 1,134,407.54 and 223,659.28 is: 335,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,124.08 : 1,134,407.54 = 223,659.28 : x
  2. Step 2: Convert to fraction form
    756,124.08/1,134,407.54 = 223,659.28/x
  3. Step 3: Cross multiply
    756,124.08x = 1,134,407.54 × 223,659.28
  4. Step 4: Simplify right side
    756,124.08x = 253,720,773,622.97
  5. Step 5: Solve for x
    x = 253,720,773,622.97/756,124.08
  6. Step 6: Final answer
    x = 335,554.42

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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.