Home / 902,867.78-1,245,949.59-494,962.22

Finding the Fourth Proportional to 902,867.78, 1,245,949.59 and 494,962.22

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Solution

The fourth proportional to 902,867.78, 1,245,949.59 and 494,962.22 is: 683,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,867.78 : 1,245,949.59 = 494,962.22 : x
  2. Step 2: Convert to fraction form
    902,867.78/1,245,949.59 = 494,962.22/x
  3. Step 3: Cross multiply
    902,867.78x = 1,245,949.59 × 494,962.22
  4. Step 4: Simplify right side
    902,867.78x = 616,697,968,844.74
  5. Step 5: Solve for x
    x = 616,697,968,844.74/902,867.78
  6. Step 6: Final answer
    x = 683,043.50

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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.