Home / 876,986.20-1,210,244.70-474,578.20

Finding the Fourth Proportional to 876,986.20, 1,210,244.70 and 474,578.20

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Solution

The fourth proportional to 876,986.20, 1,210,244.70 and 474,578.20 is: 654,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,986.20 : 1,210,244.70 = 474,578.20 : x
  2. Step 2: Convert to fraction form
    876,986.20/1,210,244.70 = 474,578.20/x
  3. Step 3: Cross multiply
    876,986.20x = 1,210,244.70 × 474,578.20
  4. Step 4: Simplify right side
    876,986.20x = 574,355,751,285.54
  5. Step 5: Solve for x
    x = 574,355,751,285.54/876,986.20
  6. Step 6: Final answer
    x = 654,919.94

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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.