Home / 471,749.73-650,913.08-280,725.81

Finding the Fourth Proportional to 471,749.73, 650,913.08 and 280,725.81

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Solution

The fourth proportional to 471,749.73, 650,913.08 and 280,725.81 is: 387,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,749.73 : 650,913.08 = 280,725.81 : x
  2. Step 2: Convert to fraction form
    471,749.73/650,913.08 = 280,725.81/x
  3. Step 3: Cross multiply
    471,749.73x = 650,913.08 × 280,725.81
  4. Step 4: Simplify right side
    471,749.73x = 182,728,100,218.97
  5. Step 5: Solve for x
    x = 182,728,100,218.97/471,749.73
  6. Step 6: Final answer
    x = 387,341.19

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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.