Home / 863,678.12-1,191,877.62-481,695.08

Finding the Fourth Proportional to 863,678.12, 1,191,877.62 and 481,695.08

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Solution

The fourth proportional to 863,678.12, 1,191,877.62 and 481,695.08 is: 664,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,678.12 : 1,191,877.62 = 481,695.08 : x
  2. Step 2: Convert to fraction form
    863,678.12/1,191,877.62 = 481,695.08/x
  3. Step 3: Cross multiply
    863,678.12x = 1,191,877.62 × 481,695.08
  4. Step 4: Simplify right side
    863,678.12x = 574,121,585,516.11
  5. Step 5: Solve for x
    x = 574,121,585,516.11/863,678.12
  6. Step 6: Final answer
    x = 664,740.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.