Home / 845,256.35-1,267,962.69-305,647.31

Finding the Fourth Proportional to 845,256.35, 1,267,962.69 and 305,647.31

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Solution

The fourth proportional to 845,256.35, 1,267,962.69 and 305,647.31 is: 458,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,256.35 : 1,267,962.69 = 305,647.31 : x
  2. Step 2: Convert to fraction form
    845,256.35/1,267,962.69 = 305,647.31/x
  3. Step 3: Cross multiply
    845,256.35x = 1,267,962.69 × 305,647.31
  4. Step 4: Simplify right side
    845,256.35x = 387,549,389,694.95
  5. Step 5: Solve for x
    x = 387,549,389,694.95/845,256.35
  6. Step 6: Final answer
    x = 458,499.23

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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.