Home / 855,428.46-1,180,754.33-493,094.49

Finding the Fourth Proportional to 855,428.46, 1,180,754.33 and 493,094.49

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Solution

The fourth proportional to 855,428.46, 1,180,754.33 and 493,094.49 is: 680,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,428.46 : 1,180,754.33 = 493,094.49 : x
  2. Step 2: Convert to fraction form
    855,428.46/1,180,754.33 = 493,094.49/x
  3. Step 3: Cross multiply
    855,428.46x = 1,180,754.33 × 493,094.49
  4. Step 4: Simplify right side
    855,428.46x = 582,223,451,701.17
  5. Step 5: Solve for x
    x = 582,223,451,701.17/855,428.46
  6. Step 6: Final answer
    x = 680,622.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.