Home / 863,669.92-1,191,866.08-481,721.32

Finding the Fourth Proportional to 863,669.92, 1,191,866.08 and 481,721.32

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Solution

The fourth proportional to 863,669.92, 1,191,866.08 and 481,721.32 is: 664,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,669.92 : 1,191,866.08 = 481,721.32 : x
  2. Step 2: Convert to fraction form
    863,669.92/1,191,866.08 = 481,721.32/x
  3. Step 3: Cross multiply
    863,669.92x = 1,191,866.08 × 481,721.32
  4. Step 4: Simplify right side
    863,669.92x = 574,147,301,320.83
  5. Step 5: Solve for x
    x = 574,147,301,320.83/863,669.92
  6. Step 6: Final answer
    x = 664,776.31

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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.