Home / 815,508.73-1,125,395.40-447,992.02

Finding the Fourth Proportional to 815,508.73, 1,125,395.40 and 447,992.02

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Solution

The fourth proportional to 815,508.73, 1,125,395.40 and 447,992.02 is: 618,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,508.73 : 1,125,395.40 = 447,992.02 : x
  2. Step 2: Convert to fraction form
    815,508.73/1,125,395.40 = 447,992.02/x
  3. Step 3: Cross multiply
    815,508.73x = 1,125,395.40 × 447,992.02
  4. Step 4: Simplify right side
    815,508.73x = 504,168,158,544.71
  5. Step 5: Solve for x
    x = 504,168,158,544.71/815,508.73
  6. Step 6: Final answer
    x = 618,225.34

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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.