Home / 538,114.26-742,631.40-296,396.76

Finding the Fourth Proportional to 538,114.26, 742,631.40 and 296,396.76

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Solution

The fourth proportional to 538,114.26, 742,631.40 and 296,396.76 is: 409,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,114.26 : 742,631.40 = 296,396.76 : x
  2. Step 2: Convert to fraction form
    538,114.26/742,631.40 = 296,396.76/x
  3. Step 3: Cross multiply
    538,114.26x = 742,631.40 × 296,396.76
  4. Step 4: Simplify right side
    538,114.26x = 220,113,540,834.26
  5. Step 5: Solve for x
    x = 220,113,540,834.26/538,114.26
  6. Step 6: Final answer
    x = 409,046.10

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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.