Home / 766,752.63-1,150,128.80-205,787.13

Finding the Fourth Proportional to 766,752.63, 1,150,128.80 and 205,787.13

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Solution

The fourth proportional to 766,752.63, 1,150,128.80 and 205,787.13 is: 308,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,752.63 : 1,150,128.80 = 205,787.13 : x
  2. Step 2: Convert to fraction form
    766,752.63/1,150,128.80 = 205,787.13/x
  3. Step 3: Cross multiply
    766,752.63x = 1,150,128.80 × 205,787.13
  4. Step 4: Simplify right side
    766,752.63x = 236,681,706,202.83
  5. Step 5: Solve for x
    x = 236,681,706,202.83/766,752.63
  6. Step 6: Final answer
    x = 308,680.66

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1.5x scale

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.