Home / 863,669.54-1,191,865.57-481,720.93

Finding the Fourth Proportional to 863,669.54, 1,191,865.57 and 481,720.93

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Solution

The fourth proportional to 863,669.54, 1,191,865.57 and 481,720.93 is: 664,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,669.54 : 1,191,865.57 = 481,720.93 : x
  2. Step 2: Convert to fraction form
    863,669.54/1,191,865.57 = 481,720.93/x
  3. Step 3: Cross multiply
    863,669.54x = 1,191,865.57 × 481,720.93
  4. Step 4: Simplify right side
    863,669.54x = 574,146,586,631.41
  5. Step 5: Solve for x
    x = 574,146,586,631.41/863,669.54
  6. Step 6: Final answer
    x = 664,775.77

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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.