Home / 828,674.74-1,242,649.82-418,091.54

Finding the Fourth Proportional to 828,674.74, 1,242,649.82 and 418,091.54

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Solution

The fourth proportional to 828,674.74, 1,242,649.82 and 418,091.54 is: 626,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,674.74 : 1,242,649.82 = 418,091.54 : x
  2. Step 2: Convert to fraction form
    828,674.74/1,242,649.82 = 418,091.54/x
  3. Step 3: Cross multiply
    828,674.74x = 1,242,649.82 × 418,091.54
  4. Step 4: Simplify right side
    828,674.74x = 519,541,376,924.52
  5. Step 5: Solve for x
    x = 519,541,376,924.52/828,674.74
  6. Step 6: Final answer
    x = 626,954.52

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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.