Home / 887,564.92-1,331,415.44-256,484.20

Finding the Fourth Proportional to 887,564.92, 1,331,415.44 and 256,484.20

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Solution

The fourth proportional to 887,564.92, 1,331,415.44 and 256,484.20 is: 384,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,564.92 : 1,331,415.44 = 256,484.20 : x
  2. Step 2: Convert to fraction form
    887,564.92/1,331,415.44 = 256,484.20/x
  3. Step 3: Cross multiply
    887,564.92x = 1,331,415.44 × 256,484.20
  4. Step 4: Simplify right side
    887,564.92x = 341,487,023,996.05
  5. Step 5: Solve for x
    x = 341,487,023,996.05/887,564.92
  6. Step 6: Final answer
    x = 384,745.97

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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.