Home / 855,619.20-1,283,428.80-590,198.40

Finding the Fourth Proportional to 855,619.20, 1,283,428.80 and 590,198.40

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Solution

The fourth proportional to 855,619.20, 1,283,428.80 and 590,198.40 is: 885,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,619.20 : 1,283,428.80 = 590,198.40 : x
  2. Step 2: Convert to fraction form
    855,619.20/1,283,428.80 = 590,198.40/x
  3. Step 3: Cross multiply
    855,619.20x = 1,283,428.80 × 590,198.40
  4. Step 4: Simplify right side
    855,619.20x = 757,477,624,273.92
  5. Step 5: Solve for x
    x = 757,477,624,273.92/855,619.20
  6. Step 6: Final answer
    x = 885,297.60

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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.