Home / 669,135.60-1,003,371.30-242,654.40

Finding the Fourth Proportional to 669,135.60, 1,003,371.30 and 242,654.40

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Solution

The fourth proportional to 669,135.60, 1,003,371.30 and 242,654.40 is: 363,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,135.60 : 1,003,371.30 = 242,654.40 : x
  2. Step 2: Convert to fraction form
    669,135.60/1,003,371.30 = 242,654.40/x
  3. Step 3: Cross multiply
    669,135.60x = 1,003,371.30 × 242,654.40
  4. Step 4: Simplify right side
    669,135.60x = 243,472,460,778.72
  5. Step 5: Solve for x
    x = 243,472,460,778.72/669,135.60
  6. Step 6: Final answer
    x = 363,861.17

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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.