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Finding the Fourth Proportional to 504,002.80, 756,004.20 and 454,139.20

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Solution

The fourth proportional to 504,002.80, 756,004.20 and 454,139.20 is: 681,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,002.80 : 756,004.20 = 454,139.20 : x
  2. Step 2: Convert to fraction form
    504,002.80/756,004.20 = 454,139.20/x
  3. Step 3: Cross multiply
    504,002.80x = 756,004.20 × 454,139.20
  4. Step 4: Simplify right side
    504,002.80x = 343,331,142,584.64
  5. Step 5: Solve for x
    x = 343,331,142,584.64/504,002.80
  6. Step 6: Final answer
    x = 681,208.80

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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.