Home / 797,490.33-1,191,151.38-721,472.64

Finding the Fourth Proportional to 797,490.33, 1,191,151.38 and 721,472.64

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Solution

The fourth proportional to 797,490.33, 1,191,151.38 and 721,472.64 is: 1,077,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,490.33 : 1,191,151.38 = 721,472.64 : x
  2. Step 2: Convert to fraction form
    797,490.33/1,191,151.38 = 721,472.64/x
  3. Step 3: Cross multiply
    797,490.33x = 1,191,151.38 × 721,472.64
  4. Step 4: Simplify right side
    797,490.33x = 859,383,130,768.24
  5. Step 5: Solve for x
    x = 859,383,130,768.24/797,490.33
  6. Step 6: Final answer
    x = 1,077,609.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.