Home / 464,911.20-697,366.80-386,179.20

Finding the Fourth Proportional to 464,911.20, 697,366.80 and 386,179.20

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Solution

The fourth proportional to 464,911.20, 697,366.80 and 386,179.20 is: 579,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,911.20 : 697,366.80 = 386,179.20 : x
  2. Step 2: Convert to fraction form
    464,911.20/697,366.80 = 386,179.20/x
  3. Step 3: Cross multiply
    464,911.20x = 697,366.80 × 386,179.20
  4. Step 4: Simplify right side
    464,911.20x = 269,308,552,930.56
  5. Step 5: Solve for x
    x = 269,308,552,930.56/464,911.20
  6. Step 6: Final answer
    x = 579,268.80

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Similar ratio
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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.