Home / 725,428.02-1,088,140.62-192,949.62

Finding the Fourth Proportional to 725,428.02, 1,088,140.62 and 192,949.62

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Solution

The fourth proportional to 725,428.02, 1,088,140.62 and 192,949.62 is: 289,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,428.02 : 1,088,140.62 = 192,949.62 : x
  2. Step 2: Convert to fraction form
    725,428.02/1,088,140.62 = 192,949.62/x
  3. Step 3: Cross multiply
    725,428.02x = 1,088,140.62 × 192,949.62
  4. Step 4: Simplify right side
    725,428.02x = 209,956,319,135.56
  5. Step 5: Solve for x
    x = 209,956,319,135.56/725,428.02
  6. Step 6: Final answer
    x = 289,424.05

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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.