Home / 746,656.08-1,119,879.36-214,222.56

Finding the Fourth Proportional to 746,656.08, 1,119,879.36 and 214,222.56

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Solution

The fourth proportional to 746,656.08, 1,119,879.36 and 214,222.56 is: 321,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,656.08 : 1,119,879.36 = 214,222.56 : x
  2. Step 2: Convert to fraction form
    746,656.08/1,119,879.36 = 214,222.56/x
  3. Step 3: Cross multiply
    746,656.08x = 1,119,879.36 × 214,222.56
  4. Step 4: Simplify right side
    746,656.08x = 239,903,423,390.36
  5. Step 5: Solve for x
    x = 239,903,423,390.36/746,656.08
  6. Step 6: Final answer
    x = 321,303.78

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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.