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Finding the Fourth Proportional to 396,002.80, 594,004.20 and 302,690.80

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Solution

The fourth proportional to 396,002.80, 594,004.20 and 302,690.80 is: 454,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,002.80 : 594,004.20 = 302,690.80 : x
  2. Step 2: Convert to fraction form
    396,002.80/594,004.20 = 302,690.80/x
  3. Step 3: Cross multiply
    396,002.80x = 594,004.20 × 302,690.80
  4. Step 4: Simplify right side
    396,002.80x = 179,799,606,501.36
  5. Step 5: Solve for x
    x = 179,799,606,501.36/396,002.80
  6. Step 6: Final answer
    x = 454,036.20

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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.