Home / 902,861.03-1,245,940.28-494,955.46

Finding the Fourth Proportional to 902,861.03, 1,245,940.28 and 494,955.46

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Solution

The fourth proportional to 902,861.03, 1,245,940.28 and 494,955.46 is: 683,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,861.03 : 1,245,940.28 = 494,955.46 : x
  2. Step 2: Convert to fraction form
    902,861.03/1,245,940.28 = 494,955.46/x
  3. Step 3: Cross multiply
    902,861.03x = 1,245,940.28 × 494,955.46
  4. Step 4: Simplify right side
    902,861.03x = 616,684,945,358.66
  5. Step 5: Solve for x
    x = 616,684,945,358.66/902,861.03
  6. Step 6: Final answer
    x = 683,034.18

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1.5x scale

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.