Home / 705,783.31-1,058,079.85-306,123.10

Finding the Fourth Proportional to 705,783.31, 1,058,079.85 and 306,123.10

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Solution

The fourth proportional to 705,783.31, 1,058,079.85 and 306,123.10 is: 458,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,783.31 : 1,058,079.85 = 306,123.10 : x
  2. Step 2: Convert to fraction form
    705,783.31/1,058,079.85 = 306,123.10/x
  3. Step 3: Cross multiply
    705,783.31x = 1,058,079.85 × 306,123.10
  4. Step 4: Simplify right side
    705,783.31x = 323,902,680,319.03
  5. Step 5: Solve for x
    x = 323,902,680,319.03/705,783.31
  6. Step 6: Final answer
    x = 458,926.52

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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.