Home / 851,028.66-1,174,415.76-463,866.48

Finding the Fourth Proportional to 851,028.66, 1,174,415.76 and 463,866.48

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Solution

The fourth proportional to 851,028.66, 1,174,415.76 and 463,866.48 is: 640,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,028.66 : 1,174,415.76 = 463,866.48 : x
  2. Step 2: Convert to fraction form
    851,028.66/1,174,415.76 = 463,866.48/x
  3. Step 3: Cross multiply
    851,028.66x = 1,174,415.76 × 463,866.48
  4. Step 4: Simplify right side
    851,028.66x = 544,772,104,647.73
  5. Step 5: Solve for x
    x = 544,772,104,647.73/851,028.66
  6. Step 6: Final answer
    x = 640,133.68

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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.