Home / 947,370.96-1,307,372.27-511,788.47

Finding the Fourth Proportional to 947,370.96, 1,307,372.27 and 511,788.47

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Solution

The fourth proportional to 947,370.96, 1,307,372.27 and 511,788.47 is: 706,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,370.96 : 1,307,372.27 = 511,788.47 : x
  2. Step 2: Convert to fraction form
    947,370.96/1,307,372.27 = 511,788.47/x
  3. Step 3: Cross multiply
    947,370.96x = 1,307,372.27 × 511,788.47
  4. Step 4: Simplify right side
    947,370.96x = 669,098,044,687.92
  5. Step 5: Solve for x
    x = 669,098,044,687.92/947,370.96
  6. Step 6: Final answer
    x = 706,268.27

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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.