Home / 951,487.81-1,313,071.19-521,742.31

Finding the Fourth Proportional to 951,487.81, 1,313,071.19 and 521,742.31

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Solution

The fourth proportional to 951,487.81, 1,313,071.19 and 521,742.31 is: 720,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,487.81 : 1,313,071.19 = 521,742.31 : x
  2. Step 2: Convert to fraction form
    951,487.81/1,313,071.19 = 521,742.31/x
  3. Step 3: Cross multiply
    951,487.81x = 1,313,071.19 × 521,742.31
  4. Step 4: Simplify right side
    951,487.81x = 685,084,791,930.19
  5. Step 5: Solve for x
    x = 685,084,791,930.19/951,487.81
  6. Step 6: Final answer
    x = 720,014.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.