Home / 791,987.72-1,092,992.82-434,291.72

Finding the Fourth Proportional to 791,987.72, 1,092,992.82 and 434,291.72

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Solution

The fourth proportional to 791,987.72, 1,092,992.82 and 434,291.72 is: 599,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,987.72 : 1,092,992.82 = 434,291.72 : x
  2. Step 2: Convert to fraction form
    791,987.72/1,092,992.82 = 434,291.72/x
  3. Step 3: Cross multiply
    791,987.72x = 1,092,992.82 × 434,291.72
  4. Step 4: Simplify right side
    791,987.72x = 474,677,731,745.45
  5. Step 5: Solve for x
    x = 474,677,731,745.45/791,987.72
  6. Step 6: Final answer
    x = 599,349.86

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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.