Home / 684,744.36-1,027,116.96-258,164.34

Finding the Fourth Proportional to 684,744.36, 1,027,116.96 and 258,164.34

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Solution

The fourth proportional to 684,744.36, 1,027,116.96 and 258,164.34 is: 387,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,744.36 : 1,027,116.96 = 258,164.34 : x
  2. Step 2: Convert to fraction form
    684,744.36/1,027,116.96 = 258,164.34/x
  3. Step 3: Cross multiply
    684,744.36x = 1,027,116.96 × 258,164.34
  4. Step 4: Simplify right side
    684,744.36x = 265,164,972,081.21
  5. Step 5: Solve for x
    x = 265,164,972,081.21/684,744.36
  6. Step 6: Final answer
    x = 387,246.67

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Similar ratio
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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.