Home / 705,783.60-1,058,080.14-306,123.32

Finding the Fourth Proportional to 705,783.60, 1,058,080.14 and 306,123.32

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Solution

The fourth proportional to 705,783.60, 1,058,080.14 and 306,123.32 is: 458,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,783.60 : 1,058,080.14 = 306,123.32 : x
  2. Step 2: Convert to fraction form
    705,783.60/1,058,080.14 = 306,123.32/x
  3. Step 3: Cross multiply
    705,783.60x = 1,058,080.14 × 306,123.32
  4. Step 4: Simplify right side
    705,783.60x = 323,902,999,992.46
  5. Step 5: Solve for x
    x = 323,902,999,992.46/705,783.60
  6. Step 6: Final answer
    x = 458,926.79

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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.