Home / 648,435.75-894,837.86-376,570.43

Finding the Fourth Proportional to 648,435.75, 894,837.86 and 376,570.43

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Solution

The fourth proportional to 648,435.75, 894,837.86 and 376,570.43 is: 519,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,435.75 : 894,837.86 = 376,570.43 : x
  2. Step 2: Convert to fraction form
    648,435.75/894,837.86 = 376,570.43/x
  3. Step 3: Cross multiply
    648,435.75x = 894,837.86 × 376,570.43
  4. Step 4: Simplify right side
    648,435.75x = 336,969,476,131.22
  5. Step 5: Solve for x
    x = 336,969,476,131.22/648,435.75
  6. Step 6: Final answer
    x = 519,665.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.