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Finding the Fourth Proportional to 439,429.61, 606,458.06 and 267,359.79

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Solution

The fourth proportional to 439,429.61, 606,458.06 and 267,359.79 is: 368,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,429.61 : 606,458.06 = 267,359.79 : x
  2. Step 2: Convert to fraction form
    439,429.61/606,458.06 = 267,359.79/x
  3. Step 3: Cross multiply
    439,429.61x = 606,458.06 × 267,359.79
  4. Step 4: Simplify right side
    439,429.61x = 162,142,498,846.05
  5. Step 5: Solve for x
    x = 162,142,498,846.05/439,429.61
  6. Step 6: Final answer
    x = 368,984.01

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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.