Home / 771,548.70-1,156,900.22-238,921.86

Finding the Fourth Proportional to 771,548.70, 1,156,900.22 and 238,921.86

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Solution

The fourth proportional to 771,548.70, 1,156,900.22 and 238,921.86 is: 358,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,548.70 : 1,156,900.22 = 238,921.86 : x
  2. Step 2: Convert to fraction form
    771,548.70/1,156,900.22 = 238,921.86/x
  3. Step 3: Cross multiply
    771,548.70x = 1,156,900.22 × 238,921.86
  4. Step 4: Simplify right side
    771,548.70x = 276,408,752,396.81
  5. Step 5: Solve for x
    x = 276,408,752,396.81/771,548.70
  6. Step 6: Final answer
    x = 358,251.85

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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.