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Finding the Fourth Proportional to 534,814.72, 802,014.72 and 285,360.64

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Solution

The fourth proportional to 534,814.72, 802,014.72 and 285,360.64 is: 427,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,814.72 : 802,014.72 = 285,360.64 : x
  2. Step 2: Convert to fraction form
    534,814.72/802,014.72 = 285,360.64/x
  3. Step 3: Cross multiply
    534,814.72x = 802,014.72 × 285,360.64
  4. Step 4: Simplify right side
    534,814.72x = 228,863,433,788.62
  5. Step 5: Solve for x
    x = 228,863,433,788.62/534,814.72
  6. Step 6: Final answer
    x = 427,930.32

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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.