Home / 707,513.85-1,061,270.78-353,219.85

Finding the Fourth Proportional to 707,513.85, 1,061,270.78 and 353,219.85

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Solution

The fourth proportional to 707,513.85, 1,061,270.78 and 353,219.85 is: 529,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,513.85 : 1,061,270.78 = 353,219.85 : x
  2. Step 2: Convert to fraction form
    707,513.85/1,061,270.78 = 353,219.85/x
  3. Step 3: Cross multiply
    707,513.85x = 1,061,270.78 × 353,219.85
  4. Step 4: Simplify right side
    707,513.85x = 374,861,903,954.88
  5. Step 5: Solve for x
    x = 374,861,903,954.88/707,513.85
  6. Step 6: Final answer
    x = 529,829.78

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Double scale
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Similar ratio
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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.