Home / 816,505.48-1,224,619.96-247,749.40

Finding the Fourth Proportional to 816,505.48, 1,224,619.96 and 247,749.40

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Solution

The fourth proportional to 816,505.48, 1,224,619.96 and 247,749.40 is: 371,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,505.48 : 1,224,619.96 = 247,749.40 : x
  2. Step 2: Convert to fraction form
    816,505.48/1,224,619.96 = 247,749.40/x
  3. Step 3: Cross multiply
    816,505.48x = 1,224,619.96 × 247,749.40
  4. Step 4: Simplify right side
    816,505.48x = 303,398,860,318.02
  5. Step 5: Solve for x
    x = 303,398,860,318.02/816,505.48
  6. Step 6: Final answer
    x = 371,582.15

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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.