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Finding the Fourth Proportional to 507,863.27, 700,846.84 and 278,416.39

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Solution

The fourth proportional to 507,863.27, 700,846.84 and 278,416.39 is: 384,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,863.27 : 700,846.84 = 278,416.39 : x
  2. Step 2: Convert to fraction form
    507,863.27/700,846.84 = 278,416.39/x
  3. Step 3: Cross multiply
    507,863.27x = 700,846.84 × 278,416.39
  4. Step 4: Simplify right side
    507,863.27x = 195,127,244,687.55
  5. Step 5: Solve for x
    x = 195,127,244,687.55/507,863.27
  6. Step 6: Final answer
    x = 384,212.16

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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.