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Finding the Fourth Proportional to 449,260, 619,473.36 and 367,332.64

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Solution

The fourth proportional to 449,260, 619,473.36 and 367,332.64 is: 506,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,260 : 619,473.36 = 367,332.64 : x
  2. Step 2: Convert to fraction form
    449,260/619,473.36 = 367,332.64/x
  3. Step 3: Cross multiply
    449,260x = 619,473.36 × 367,332.64
  4. Step 4: Simplify right side
    449,260x = 227,552,784,738.47
  5. Step 5: Solve for x
    x = 227,552,784,738.47/449,260
  6. Step 6: Final answer
    x = 506,505.78

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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.