Home / 863,669.04-1,191,864.87-481,720.43

Finding the Fourth Proportional to 863,669.04, 1,191,864.87 and 481,720.43

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Solution

The fourth proportional to 863,669.04, 1,191,864.87 and 481,720.43 is: 664,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,669.04 : 1,191,864.87 = 481,720.43 : x
  2. Step 2: Convert to fraction form
    863,669.04/1,191,864.87 = 481,720.43/x
  3. Step 3: Cross multiply
    863,669.04x = 1,191,864.87 × 481,720.43
  4. Step 4: Simplify right side
    863,669.04x = 574,145,657,678.29
  5. Step 5: Solve for x
    x = 574,145,657,678.29/863,669.04
  6. Step 6: Final answer
    x = 664,775.08

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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.