Home / 816,403.03-1,224,608.45-247,789.07

Finding the Fourth Proportional to 816,403.03, 1,224,608.45 and 247,789.07

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Solution

The fourth proportional to 816,403.03, 1,224,608.45 and 247,789.07 is: 371,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,403.03 : 1,224,608.45 = 247,789.07 : x
  2. Step 2: Convert to fraction form
    816,403.03/1,224,608.45 = 247,789.07/x
  3. Step 3: Cross multiply
    816,403.03x = 1,224,608.45 × 247,789.07
  4. Step 4: Simplify right side
    816,403.03x = 303,444,588,939.64
  5. Step 5: Solve for x
    x = 303,444,588,939.64/816,403.03
  6. Step 6: Final answer
    x = 371,684.79

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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.