Home / 538,425.12-743,025.08-296,707.60

Finding the Fourth Proportional to 538,425.12, 743,025.08 and 296,707.60

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Solution

The fourth proportional to 538,425.12, 743,025.08 and 296,707.60 is: 409,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,425.12 : 743,025.08 = 296,707.60 : x
  2. Step 2: Convert to fraction form
    538,425.12/743,025.08 = 296,707.60/x
  3. Step 3: Cross multiply
    538,425.12x = 743,025.08 × 296,707.60
  4. Step 4: Simplify right side
    538,425.12x = 220,461,188,226.61
  5. Step 5: Solve for x
    x = 220,461,188,226.61/538,425.12
  6. Step 6: Final answer
    x = 409,455.61

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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.