Home / 822,747.81-1,234,042.09-253,975.63

Finding the Fourth Proportional to 822,747.81, 1,234,042.09 and 253,975.63

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Solution

The fourth proportional to 822,747.81, 1,234,042.09 and 253,975.63 is: 380,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,747.81 : 1,234,042.09 = 253,975.63 : x
  2. Step 2: Convert to fraction form
    822,747.81/1,234,042.09 = 253,975.63/x
  3. Step 3: Cross multiply
    822,747.81x = 1,234,042.09 × 253,975.63
  4. Step 4: Simplify right side
    822,747.81x = 313,416,612,377.31
  5. Step 5: Solve for x
    x = 313,416,612,377.31/822,747.81
  6. Step 6: Final answer
    x = 380,938.86

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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.