Home / 768,014.70-1,152,022.05-269,429.10

Finding the Fourth Proportional to 768,014.70, 1,152,022.05 and 269,429.10

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Solution

The fourth proportional to 768,014.70, 1,152,022.05 and 269,429.10 is: 404,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,014.70 : 1,152,022.05 = 269,429.10 : x
  2. Step 2: Convert to fraction form
    768,014.70/1,152,022.05 = 269,429.10/x
  3. Step 3: Cross multiply
    768,014.70x = 1,152,022.05 × 269,429.10
  4. Step 4: Simplify right side
    768,014.70x = 310,388,264,111.66
  5. Step 5: Solve for x
    x = 310,388,264,111.66/768,014.70
  6. Step 6: Final answer
    x = 404,143.65

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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.