Home / 743,518.52-1,115,302.03-353,940.41

Finding the Fourth Proportional to 743,518.52, 1,115,302.03 and 353,940.41

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Solution

The fourth proportional to 743,518.52, 1,115,302.03 and 353,940.41 is: 530,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,518.52 : 1,115,302.03 = 353,940.41 : x
  2. Step 2: Convert to fraction form
    743,518.52/1,115,302.03 = 353,940.41/x
  3. Step 3: Cross multiply
    743,518.52x = 1,115,302.03 × 353,940.41
  4. Step 4: Simplify right side
    743,518.52x = 394,750,459,675.44
  5. Step 5: Solve for x
    x = 394,750,459,675.44/743,518.52
  6. Step 6: Final answer
    x = 530,922.16

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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.