Home / 959,008.27-1,438,749.21-285,086.72

Finding the Fourth Proportional to 959,008.27, 1,438,749.21 and 285,086.72

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Solution

The fourth proportional to 959,008.27, 1,438,749.21 and 285,086.72 is: 427,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,008.27 : 1,438,749.21 = 285,086.72 : x
  2. Step 2: Convert to fraction form
    959,008.27/1,438,749.21 = 285,086.72/x
  3. Step 3: Cross multiply
    959,008.27x = 1,438,749.21 × 285,086.72
  4. Step 4: Simplify right side
    959,008.27x = 410,168,293,181.49
  5. Step 5: Solve for x
    x = 410,168,293,181.49/959,008.27
  6. Step 6: Final answer
    x = 427,700.48

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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.