Home / 850,007.42-1,275,243.95-250,968.07

Finding the Fourth Proportional to 850,007.42, 1,275,243.95 and 250,968.07

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Solution

The fourth proportional to 850,007.42, 1,275,243.95 and 250,968.07 is: 376,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,007.42 : 1,275,243.95 = 250,968.07 : x
  2. Step 2: Convert to fraction form
    850,007.42/1,275,243.95 = 250,968.07/x
  3. Step 3: Cross multiply
    850,007.42x = 1,275,243.95 × 250,968.07
  4. Step 4: Simplify right side
    850,007.42x = 320,045,515,132.15
  5. Step 5: Solve for x
    x = 320,045,515,132.15/850,007.42
  6. Step 6: Final answer
    x = 376,520.85

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1.5x scale

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.