Home / 850,464.40-1,275,235.80-351,878.80

Finding the Fourth Proportional to 850,464.40, 1,275,235.80 and 351,878.80

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Solution

The fourth proportional to 850,464.40, 1,275,235.80 and 351,878.80 is: 527,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,464.40 : 1,275,235.80 = 351,878.80 : x
  2. Step 2: Convert to fraction form
    850,464.40/1,275,235.80 = 351,878.80/x
  3. Step 3: Cross multiply
    850,464.40x = 1,275,235.80 × 351,878.80
  4. Step 4: Simplify right side
    850,464.40x = 448,728,443,021.04
  5. Step 5: Solve for x
    x = 448,728,443,021.04/850,464.40
  6. Step 6: Final answer
    x = 527,627.54

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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.