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Finding the Fourth Proportional to 504,007.80, 756,145.35 and 219,576.30

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Solution

The fourth proportional to 504,007.80, 756,145.35 and 219,576.30 is: 329,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,007.80 : 756,145.35 = 219,576.30 : x
  2. Step 2: Convert to fraction form
    504,007.80/756,145.35 = 219,576.30/x
  3. Step 3: Cross multiply
    504,007.80x = 756,145.35 × 219,576.30
  4. Step 4: Simplify right side
    504,007.80x = 166,031,598,215.21
  5. Step 5: Solve for x
    x = 166,031,598,215.21/504,007.80
  6. Step 6: Final answer
    x = 329,422.68

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1.5x scale

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.