Home / 853,984.76-1,280,933.33-254,950.88

Finding the Fourth Proportional to 853,984.76, 1,280,933.33 and 254,950.88

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Solution

The fourth proportional to 853,984.76, 1,280,933.33 and 254,950.88 is: 382,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,984.76 : 1,280,933.33 = 254,950.88 : x
  2. Step 2: Convert to fraction form
    853,984.76/1,280,933.33 = 254,950.88/x
  3. Step 3: Cross multiply
    853,984.76x = 1,280,933.33 × 254,950.88
  4. Step 4: Simplify right side
    853,984.76x = 326,575,072,025.41
  5. Step 5: Solve for x
    x = 326,575,072,025.41/853,984.76
  6. Step 6: Final answer
    x = 382,413.23

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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.