Home / 746,540.88-1,030,231.08-407,014.80

Finding the Fourth Proportional to 746,540.88, 1,030,231.08 and 407,014.80

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Solution

The fourth proportional to 746,540.88, 1,030,231.08 and 407,014.80 is: 561,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,540.88 : 1,030,231.08 = 407,014.80 : x
  2. Step 2: Convert to fraction form
    746,540.88/1,030,231.08 = 407,014.80/x
  3. Step 3: Cross multiply
    746,540.88x = 1,030,231.08 × 407,014.80
  4. Step 4: Simplify right side
    746,540.88x = 419,319,296,979.98
  5. Step 5: Solve for x
    x = 419,319,296,979.98/746,540.88
  6. Step 6: Final answer
    x = 561,682.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.