Home / 673,047.05-1,009,352.12-223,647.31

Finding the Fourth Proportional to 673,047.05, 1,009,352.12 and 223,647.31

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Solution

The fourth proportional to 673,047.05, 1,009,352.12 and 223,647.31 is: 335,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,047.05 : 1,009,352.12 = 223,647.31 : x
  2. Step 2: Convert to fraction form
    673,047.05/1,009,352.12 = 223,647.31/x
  3. Step 3: Cross multiply
    673,047.05x = 1,009,352.12 × 223,647.31
  4. Step 4: Simplify right side
    673,047.05x = 225,738,884,516.54
  5. Step 5: Solve for x
    x = 225,738,884,516.54/673,047.05
  6. Step 6: Final answer
    x = 335,398.37

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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.