Home / 947,375.96-1,307,379.18-511,793.48

Finding the Fourth Proportional to 947,375.96, 1,307,379.18 and 511,793.48

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Solution

The fourth proportional to 947,375.96, 1,307,379.18 and 511,793.48 is: 706,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,375.96 : 1,307,379.18 = 511,793.48 : x
  2. Step 2: Convert to fraction form
    947,375.96/1,307,379.18 = 511,793.48/x
  3. Step 3: Cross multiply
    947,375.96x = 1,307,379.18 × 511,793.48
  4. Step 4: Simplify right side
    947,375.96x = 669,108,140,211.75
  5. Step 5: Solve for x
    x = 669,108,140,211.75/947,375.96
  6. Step 6: Final answer
    x = 706,275.19

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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.