Home / 669,214.20-1,003,043.70-269,657.40

Finding the Fourth Proportional to 669,214.20, 1,003,043.70 and 269,657.40

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Solution

The fourth proportional to 669,214.20, 1,003,043.70 and 269,657.40 is: 404,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,214.20 : 1,003,043.70 = 269,657.40 : x
  2. Step 2: Convert to fraction form
    669,214.20/1,003,043.70 = 269,657.40/x
  3. Step 3: Cross multiply
    669,214.20x = 1,003,043.70 × 269,657.40
  4. Step 4: Simplify right side
    669,214.20x = 270,478,156,228.38
  5. Step 5: Solve for x
    x = 270,478,156,228.38/669,214.20
  6. Step 6: Final answer
    x = 404,172.77

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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.