Home / 705,783.09-1,058,079.39-306,122.82

Finding the Fourth Proportional to 705,783.09, 1,058,079.39 and 306,122.82

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Solution

The fourth proportional to 705,783.09, 1,058,079.39 and 306,122.82 is: 458,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,783.09 : 1,058,079.39 = 306,122.82 : x
  2. Step 2: Convert to fraction form
    705,783.09/1,058,079.39 = 306,122.82/x
  3. Step 3: Cross multiply
    705,783.09x = 1,058,079.39 × 306,122.82
  4. Step 4: Simplify right side
    705,783.09x = 323,902,246,650.68
  5. Step 5: Solve for x
    x = 323,902,246,650.68/705,783.09
  6. Step 6: Final answer
    x = 458,926.05

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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.