Home / 743,522.76-1,115,308.40-353,944.66

Finding the Fourth Proportional to 743,522.76, 1,115,308.40 and 353,944.66

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Solution

The fourth proportional to 743,522.76, 1,115,308.40 and 353,944.66 is: 530,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,522.76 : 1,115,308.40 = 353,944.66 : x
  2. Step 2: Convert to fraction form
    743,522.76/1,115,308.40 = 353,944.66/x
  3. Step 3: Cross multiply
    743,522.76x = 1,115,308.40 × 353,944.66
  4. Step 4: Simplify right side
    743,522.76x = 394,757,452,433.14
  5. Step 5: Solve for x
    x = 394,757,452,433.14/743,522.76
  6. Step 6: Final answer
    x = 530,928.54

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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.