Home / 715,213.64-1,073,006.99-415,405.97

Finding the Fourth Proportional to 715,213.64, 1,073,006.99 and 415,405.97

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Solution

The fourth proportional to 715,213.64, 1,073,006.99 and 415,405.97 is: 623,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,213.64 : 1,073,006.99 = 415,405.97 : x
  2. Step 2: Convert to fraction form
    715,213.64/1,073,006.99 = 415,405.97/x
  3. Step 3: Cross multiply
    715,213.64x = 1,073,006.99 × 415,405.97
  4. Step 4: Simplify right side
    715,213.64x = 445,733,507,420.70
  5. Step 5: Solve for x
    x = 445,733,507,420.70/715,213.64
  6. Step 6: Final answer
    x = 623,217.30

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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.