Home / 768,273.66-1,152,161.42-255,802.05

Finding the Fourth Proportional to 768,273.66, 1,152,161.42 and 255,802.05

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Solution

The fourth proportional to 768,273.66, 1,152,161.42 and 255,802.05 is: 383,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,273.66 : 1,152,161.42 = 255,802.05 : x
  2. Step 2: Convert to fraction form
    768,273.66/1,152,161.42 = 255,802.05/x
  3. Step 3: Cross multiply
    768,273.66x = 1,152,161.42 × 255,802.05
  4. Step 4: Simplify right side
    768,273.66x = 294,725,251,887.90
  5. Step 5: Solve for x
    x = 294,725,251,887.90/768,273.66
  6. Step 6: Final answer
    x = 383,620.14

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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.