Home / 671,286.60-1,008,096.30-356,358.60

Finding the Fourth Proportional to 671,286.60, 1,008,096.30 and 356,358.60

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Solution

The fourth proportional to 671,286.60, 1,008,096.30 and 356,358.60 is: 535,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,286.60 : 1,008,096.30 = 356,358.60 : x
  2. Step 2: Convert to fraction form
    671,286.60/1,008,096.30 = 356,358.60/x
  3. Step 3: Cross multiply
    671,286.60x = 1,008,096.30 × 356,358.60
  4. Step 4: Simplify right side
    671,286.60x = 359,243,786,133.18
  5. Step 5: Solve for x
    x = 359,243,786,133.18/671,286.60
  6. Step 6: Final answer
    x = 535,157.09

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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.