Home / 743,520.52-1,115,305.03-353,942.41

Finding the Fourth Proportional to 743,520.52, 1,115,305.03 and 353,942.41

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Solution

The fourth proportional to 743,520.52, 1,115,305.03 and 353,942.41 is: 530,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,520.52 : 1,115,305.03 = 353,942.41 : x
  2. Step 2: Convert to fraction form
    743,520.52/1,115,305.03 = 353,942.41/x
  3. Step 3: Cross multiply
    743,520.52x = 1,115,305.03 × 353,942.41
  4. Step 4: Simplify right side
    743,520.52x = 394,753,750,203.32
  5. Step 5: Solve for x
    x = 394,753,750,203.32/743,520.52
  6. Step 6: Final answer
    x = 530,925.16

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1.5x scale

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.