Home / 740,372.12-1,110,625.95-207,889.56

Finding the Fourth Proportional to 740,372.12, 1,110,625.95 and 207,889.56

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Solution

The fourth proportional to 740,372.12, 1,110,625.95 and 207,889.56 is: 311,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,372.12 : 1,110,625.95 = 207,889.56 : x
  2. Step 2: Convert to fraction form
    740,372.12/1,110,625.95 = 207,889.56/x
  3. Step 3: Cross multiply
    740,372.12x = 1,110,625.95 × 207,889.56
  4. Step 4: Simplify right side
    740,372.12x = 230,887,540,589.81
  5. Step 5: Solve for x
    x = 230,887,540,589.81/740,372.12
  6. Step 6: Final answer
    x = 311,853.37

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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.