Home / 850,986.81-1,174,358.25-469,012.68

Finding the Fourth Proportional to 850,986.81, 1,174,358.25 and 469,012.68

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Solution

The fourth proportional to 850,986.81, 1,174,358.25 and 469,012.68 is: 647,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,986.81 : 1,174,358.25 = 469,012.68 : x
  2. Step 2: Convert to fraction form
    850,986.81/1,174,358.25 = 469,012.68/x
  3. Step 3: Cross multiply
    850,986.81x = 1,174,358.25 × 469,012.68
  4. Step 4: Simplify right side
    850,986.81x = 550,788,910,112.61
  5. Step 5: Solve for x
    x = 550,788,910,112.61/850,986.81
  6. Step 6: Final answer
    x = 647,235.54

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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.