Home / 925,692.96-1,276,942.20-538,464.76

Finding the Fourth Proportional to 925,692.96, 1,276,942.20 and 538,464.76

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Solution

The fourth proportional to 925,692.96, 1,276,942.20 and 538,464.76 is: 742,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,692.96 : 1,276,942.20 = 538,464.76 : x
  2. Step 2: Convert to fraction form
    925,692.96/1,276,942.20 = 538,464.76/x
  3. Step 3: Cross multiply
    925,692.96x = 1,276,942.20 × 538,464.76
  4. Step 4: Simplify right side
    925,692.96x = 687,588,375,256.87
  5. Step 5: Solve for x
    x = 687,588,375,256.87/925,692.96
  6. Step 6: Final answer
    x = 742,782.33

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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.