Home / 812,880.49-1,121,546.04-468,689.37

Finding the Fourth Proportional to 812,880.49, 1,121,546.04 and 468,689.37

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Solution

The fourth proportional to 812,880.49, 1,121,546.04 and 468,689.37 is: 646,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,880.49 : 1,121,546.04 = 468,689.37 : x
  2. Step 2: Convert to fraction form
    812,880.49/1,121,546.04 = 468,689.37/x
  3. Step 3: Cross multiply
    812,880.49x = 1,121,546.04 × 468,689.37
  4. Step 4: Simplify right side
    812,880.49x = 525,656,701,766.28
  5. Step 5: Solve for x
    x = 525,656,701,766.28/812,880.49
  6. Step 6: Final answer
    x = 646,659.27

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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.