Home / 682,409.31-941,715.90-376,498.58

Finding the Fourth Proportional to 682,409.31, 941,715.90 and 376,498.58

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Solution

The fourth proportional to 682,409.31, 941,715.90 and 376,498.58 is: 519,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,409.31 : 941,715.90 = 376,498.58 : x
  2. Step 2: Convert to fraction form
    682,409.31/941,715.90 = 376,498.58/x
  3. Step 3: Cross multiply
    682,409.31x = 941,715.90 × 376,498.58
  4. Step 4: Simplify right side
    682,409.31x = 354,554,698,643.09
  5. Step 5: Solve for x
    x = 354,554,698,643.09/682,409.31
  6. Step 6: Final answer
    x = 519,563.11

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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.