Home / 850,431.80-1,275,647.70-495,846.20

Finding the Fourth Proportional to 850,431.80, 1,275,647.70 and 495,846.20

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Solution

The fourth proportional to 850,431.80, 1,275,647.70 and 495,846.20 is: 743,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,431.80 : 1,275,647.70 = 495,846.20 : x
  2. Step 2: Convert to fraction form
    850,431.80/1,275,647.70 = 495,846.20/x
  3. Step 3: Cross multiply
    850,431.80x = 1,275,647.70 × 495,846.20
  4. Step 4: Simplify right side
    850,431.80x = 632,525,064,583.74
  5. Step 5: Solve for x
    x = 632,525,064,583.74/850,431.80
  6. Step 6: Final answer
    x = 743,769.30

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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.