Home / 547,982.04-756,200.14-306,265.56

Finding the Fourth Proportional to 547,982.04, 756,200.14 and 306,265.56

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Solution

The fourth proportional to 547,982.04, 756,200.14 and 306,265.56 is: 422,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,982.04 : 756,200.14 = 306,265.56 : x
  2. Step 2: Convert to fraction form
    547,982.04/756,200.14 = 306,265.56/x
  3. Step 3: Cross multiply
    547,982.04x = 756,200.14 × 306,265.56
  4. Step 4: Simplify right side
    547,982.04x = 231,598,059,349.18
  5. Step 5: Solve for x
    x = 231,598,059,349.18/547,982.04
  6. Step 6: Final answer
    x = 422,638.05

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1.5x scale

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.