Home / 763,345.35-1,053,375.44-423,791.73

Finding the Fourth Proportional to 763,345.35, 1,053,375.44 and 423,791.73

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Solution

The fourth proportional to 763,345.35, 1,053,375.44 and 423,791.73 is: 584,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,345.35 : 1,053,375.44 = 423,791.73 : x
  2. Step 2: Convert to fraction form
    763,345.35/1,053,375.44 = 423,791.73/x
  3. Step 3: Cross multiply
    763,345.35x = 1,053,375.44 × 423,791.73
  4. Step 4: Simplify right side
    763,345.35x = 446,411,797,938.15
  5. Step 5: Solve for x
    x = 446,411,797,938.15/763,345.35
  6. Step 6: Final answer
    x = 584,809.74

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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.