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Finding the Fourth Proportional to 484,002.40, 726,133.20 and 431,773.60

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Solution

The fourth proportional to 484,002.40, 726,133.20 and 431,773.60 is: 647,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,002.40 : 726,133.20 = 431,773.60 : x
  2. Step 2: Convert to fraction form
    484,002.40/726,133.20 = 431,773.60/x
  3. Step 3: Cross multiply
    484,002.40x = 726,133.20 × 431,773.60
  4. Step 4: Simplify right side
    484,002.40x = 313,525,145,843.52
  5. Step 5: Solve for x
    x = 313,525,145,843.52/484,002.40
  6. Step 6: Final answer
    x = 647,776.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.