Home / 547,264.08-755,242.79-305,549.55

Finding the Fourth Proportional to 547,264.08, 755,242.79 and 305,549.55

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Solution

The fourth proportional to 547,264.08, 755,242.79 and 305,549.55 is: 421,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,264.08 : 755,242.79 = 305,549.55 : x
  2. Step 2: Convert to fraction form
    547,264.08/755,242.79 = 305,549.55/x
  3. Step 3: Cross multiply
    547,264.08x = 755,242.79 × 305,549.55
  4. Step 4: Simplify right side
    547,264.08x = 230,764,093,097.50
  5. Step 5: Solve for x
    x = 230,764,093,097.50/547,264.08
  6. Step 6: Final answer
    x = 421,668.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.