Home / 792,460.40-1,188,871.92-343,256.04

Finding the Fourth Proportional to 792,460.40, 1,188,871.92 and 343,256.04

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Solution

The fourth proportional to 792,460.40, 1,188,871.92 and 343,256.04 is: 514,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,460.40 : 1,188,871.92 = 343,256.04 : x
  2. Step 2: Convert to fraction form
    792,460.40/1,188,871.92 = 343,256.04/x
  3. Step 3: Cross multiply
    792,460.40x = 1,188,871.92 × 343,256.04
  4. Step 4: Simplify right side
    792,460.40x = 408,087,467,326.40
  5. Step 5: Solve for x
    x = 408,087,467,326.40/792,460.40
  6. Step 6: Final answer
    x = 514,962.60

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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.