Home / 746,499.06-1,119,418.11-213,899.22

Finding the Fourth Proportional to 746,499.06, 1,119,418.11 and 213,899.22

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Solution

The fourth proportional to 746,499.06, 1,119,418.11 and 213,899.22 is: 320,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,499.06 : 1,119,418.11 = 213,899.22 : x
  2. Step 2: Convert to fraction form
    746,499.06/1,119,418.11 = 213,899.22/x
  3. Step 3: Cross multiply
    746,499.06x = 1,119,418.11 × 213,899.22
  4. Step 4: Simplify right side
    746,499.06x = 239,442,660,582.87
  5. Step 5: Solve for x
    x = 239,442,660,582.87/746,499.06
  6. Step 6: Final answer
    x = 320,754.14

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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.