Home / 714,289.08-1,071,485.46-215,691.96

Finding the Fourth Proportional to 714,289.08, 1,071,485.46 and 215,691.96

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Solution

The fourth proportional to 714,289.08, 1,071,485.46 and 215,691.96 is: 323,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,289.08 : 1,071,485.46 = 215,691.96 : x
  2. Step 2: Convert to fraction form
    714,289.08/1,071,485.46 = 215,691.96/x
  3. Step 3: Cross multiply
    714,289.08x = 1,071,485.46 × 215,691.96
  4. Step 4: Simplify right side
    714,289.08x = 231,110,798,978.90
  5. Step 5: Solve for x
    x = 231,110,798,978.90/714,289.08
  6. Step 6: Final answer
    x = 323,553.59

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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.