Home / 905,030.54-1,248,869.31-523,082.06

Finding the Fourth Proportional to 905,030.54, 1,248,869.31 and 523,082.06

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Solution

The fourth proportional to 905,030.54, 1,248,869.31 and 523,082.06 is: 721,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,030.54 : 1,248,869.31 = 523,082.06 : x
  2. Step 2: Convert to fraction form
    905,030.54/1,248,869.31 = 523,082.06/x
  3. Step 3: Cross multiply
    905,030.54x = 1,248,869.31 × 523,082.06
  4. Step 4: Simplify right side
    905,030.54x = 653,261,131,345.58
  5. Step 5: Solve for x
    x = 653,261,131,345.58/905,030.54
  6. Step 6: Final answer
    x = 721,811.15

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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.