Home / 538,112.72-742,600.68-296,396.30

Finding the Fourth Proportional to 538,112.72, 742,600.68 and 296,396.30

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Solution

The fourth proportional to 538,112.72, 742,600.68 and 296,396.30 is: 409,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,112.72 : 742,600.68 = 296,396.30 : x
  2. Step 2: Convert to fraction form
    538,112.72/742,600.68 = 296,396.30/x
  3. Step 3: Cross multiply
    538,112.72x = 742,600.68 × 296,396.30
  4. Step 4: Simplify right side
    538,112.72x = 220,104,093,929.48
  5. Step 5: Solve for x
    x = 220,104,093,929.48/538,112.72
  6. Step 6: Final answer
    x = 409,029.72

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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.