Home / 902,370.75-1,245,271.64-499,962.75

Finding the Fourth Proportional to 902,370.75, 1,245,271.64 and 499,962.75

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Solution

The fourth proportional to 902,370.75, 1,245,271.64 and 499,962.75 is: 689,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,370.75 : 1,245,271.64 = 499,962.75 : x
  2. Step 2: Convert to fraction form
    902,370.75/1,245,271.64 = 499,962.75/x
  3. Step 3: Cross multiply
    902,370.75x = 1,245,271.64 × 499,962.75
  4. Step 4: Simplify right side
    902,370.75x = 622,589,431,131.60
  5. Step 5: Solve for x
    x = 622,589,431,131.60/902,370.75
  6. Step 6: Final answer
    x = 689,948.60

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1.5x scale

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.