Home / 816,468.48-1,126,749.60-494,236.80

Finding the Fourth Proportional to 816,468.48, 1,126,749.60 and 494,236.80

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Solution

The fourth proportional to 816,468.48, 1,126,749.60 and 494,236.80 is: 682,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,468.48 : 1,126,749.60 = 494,236.80 : x
  2. Step 2: Convert to fraction form
    816,468.48/1,126,749.60 = 494,236.80/x
  3. Step 3: Cross multiply
    816,468.48x = 1,126,749.60 × 494,236.80
  4. Step 4: Simplify right side
    816,468.48x = 556,881,116,705.28
  5. Step 5: Solve for x
    x = 556,881,116,705.28/816,468.48
  6. Step 6: Final answer
    x = 682,060.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.