Home / 853,670.90-1,280,571.15-254,585.18

Finding the Fourth Proportional to 853,670.90, 1,280,571.15 and 254,585.18

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Solution

The fourth proportional to 853,670.90, 1,280,571.15 and 254,585.18 is: 381,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,670.90 : 1,280,571.15 = 254,585.18 : x
  2. Step 2: Convert to fraction form
    853,670.90/1,280,571.15 = 254,585.18/x
  3. Step 3: Cross multiply
    853,670.90x = 1,280,571.15 × 254,585.18
  4. Step 4: Simplify right side
    853,670.90x = 326,014,436,725.56
  5. Step 5: Solve for x
    x = 326,014,436,725.56/853,670.90
  6. Step 6: Final answer
    x = 381,897.09

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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.