Home / 845,254.61-1,267,960.07-305,645.57

Finding the Fourth Proportional to 845,254.61, 1,267,960.07 and 305,645.57

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Solution

The fourth proportional to 845,254.61, 1,267,960.07 and 305,645.57 is: 458,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,254.61 : 1,267,960.07 = 305,645.57 : x
  2. Step 2: Convert to fraction form
    845,254.61/1,267,960.07 = 305,645.57/x
  3. Step 3: Cross multiply
    845,254.61x = 1,267,960.07 × 305,645.57
  4. Step 4: Simplify right side
    845,254.61x = 387,546,371,992.59
  5. Step 5: Solve for x
    x = 387,546,371,992.59/845,254.61
  6. Step 6: Final answer
    x = 458,496.61

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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.