Home / 786,638.61-1,181,135.66-450,058.77

Finding the Fourth Proportional to 786,638.61, 1,181,135.66 and 450,058.77

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Solution

The fourth proportional to 786,638.61, 1,181,135.66 and 450,058.77 is: 675,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,638.61 : 1,181,135.66 = 450,058.77 : x
  2. Step 2: Convert to fraction form
    786,638.61/1,181,135.66 = 450,058.77/x
  3. Step 3: Cross multiply
    786,638.61x = 1,181,135.66 × 450,058.77
  4. Step 4: Simplify right side
    786,638.61x = 531,580,460,092.44
  5. Step 5: Solve for x
    x = 531,580,460,092.44/786,638.61
  6. Step 6: Final answer
    x = 675,761.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.