Home / 538,429.23-743,037.21-296,720.46

Finding the Fourth Proportional to 538,429.23, 743,037.21 and 296,720.46

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Solution

The fourth proportional to 538,429.23, 743,037.21 and 296,720.46 is: 409,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,429.23 : 743,037.21 = 296,720.46 : x
  2. Step 2: Convert to fraction form
    538,429.23/743,037.21 = 296,720.46/x
  3. Step 3: Cross multiply
    538,429.23x = 743,037.21 × 296,720.46
  4. Step 4: Simplify right side
    538,429.23x = 220,474,342,748.32
  5. Step 5: Solve for x
    x = 220,474,342,748.32/538,429.23
  6. Step 6: Final answer
    x = 409,476.92

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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.