Home / 571,958.05-857,407.33-211,928.31

Finding the Fourth Proportional to 571,958.05, 857,407.33 and 211,928.31

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Solution

The fourth proportional to 571,958.05, 857,407.33 and 211,928.31 is: 317,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,958.05 : 857,407.33 = 211,928.31 : x
  2. Step 2: Convert to fraction form
    571,958.05/857,407.33 = 211,928.31/x
  3. Step 3: Cross multiply
    571,958.05x = 857,407.33 × 211,928.31
  4. Step 4: Simplify right side
    571,958.05x = 181,708,886,428.51
  5. Step 5: Solve for x
    x = 181,708,886,428.51/571,958.05
  6. Step 6: Final answer
    x = 317,696.18

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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.