Home / 845,259.90-1,267,968.03-305,650.86

Finding the Fourth Proportional to 845,259.90, 1,267,968.03 and 305,650.86

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Solution

The fourth proportional to 845,259.90, 1,267,968.03 and 305,650.86 is: 458,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,259.90 : 1,267,968.03 = 305,650.86 : x
  2. Step 2: Convert to fraction form
    845,259.90/1,267,968.03 = 305,650.86/x
  3. Step 3: Cross multiply
    845,259.90x = 1,267,968.03 × 305,650.86
  4. Step 4: Simplify right side
    845,259.90x = 387,555,518,822.01
  5. Step 5: Solve for x
    x = 387,555,518,822.01/845,259.90
  6. Step 6: Final answer
    x = 458,504.56

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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.