Home / 766,222.34-1,149,331.34-345,005.06

Finding the Fourth Proportional to 766,222.34, 1,149,331.34 and 345,005.06

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Solution

The fourth proportional to 766,222.34, 1,149,331.34 and 345,005.06 is: 517,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,222.34 : 1,149,331.34 = 345,005.06 : x
  2. Step 2: Convert to fraction form
    766,222.34/1,149,331.34 = 345,005.06/x
  3. Step 3: Cross multiply
    766,222.34x = 1,149,331.34 × 345,005.06
  4. Step 4: Simplify right side
    766,222.34x = 396,525,123,032.44
  5. Step 5: Solve for x
    x = 396,525,123,032.44/766,222.34
  6. Step 6: Final answer
    x = 517,506.61

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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.