Home / 634,944.56-876,262.92-419,711.36

Finding the Fourth Proportional to 634,944.56, 876,262.92 and 419,711.36

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Solution

The fourth proportional to 634,944.56, 876,262.92 and 419,711.36 is: 579,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,944.56 : 876,262.92 = 419,711.36 : x
  2. Step 2: Convert to fraction form
    634,944.56/876,262.92 = 419,711.36/x
  3. Step 3: Cross multiply
    634,944.56x = 876,262.92 × 419,711.36
  4. Step 4: Simplify right side
    634,944.56x = 367,777,501,870.77
  5. Step 5: Solve for x
    x = 367,777,501,870.77/634,944.56
  6. Step 6: Final answer
    x = 579,227.74

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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.