Home / 816,361.07-1,126,591.79-448,853.76

Finding the Fourth Proportional to 816,361.07, 1,126,591.79 and 448,853.76

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Solution

The fourth proportional to 816,361.07, 1,126,591.79 and 448,853.76 is: 619,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,361.07 : 1,126,591.79 = 448,853.76 : x
  2. Step 2: Convert to fraction form
    816,361.07/1,126,591.79 = 448,853.76/x
  3. Step 3: Cross multiply
    816,361.07x = 1,126,591.79 × 448,853.76
  4. Step 4: Simplify right side
    816,361.07x = 505,674,958,682.36
  5. Step 5: Solve for x
    x = 505,674,958,682.36/816,361.07
  6. Step 6: Final answer
    x = 619,425.62

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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.