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Finding the Fourth Proportional to 548,000.30, 756,216.64 and 299,637.71

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Solution

The fourth proportional to 548,000.30, 756,216.64 and 299,637.71 is: 413,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,000.30 : 756,216.64 = 299,637.71 : x
  2. Step 2: Convert to fraction form
    548,000.30/756,216.64 = 299,637.71/x
  3. Step 3: Cross multiply
    548,000.30x = 756,216.64 × 299,637.71
  4. Step 4: Simplify right side
    548,000.30x = 226,591,025,956.49
  5. Step 5: Solve for x
    x = 226,591,025,956.49/548,000.30
  6. Step 6: Final answer
    x = 413,487.05

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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.