Home / 860,896.73-1,187,716.60-538,484.33

Finding the Fourth Proportional to 860,896.73, 1,187,716.60 and 538,484.33

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Solution

The fourth proportional to 860,896.73, 1,187,716.60 and 538,484.33 is: 742,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,896.73 : 1,187,716.60 = 538,484.33 : x
  2. Step 2: Convert to fraction form
    860,896.73/1,187,716.60 = 538,484.33/x
  3. Step 3: Cross multiply
    860,896.73x = 1,187,716.60 × 538,484.33
  4. Step 4: Simplify right side
    860,896.73x = 639,566,781,223.28
  5. Step 5: Solve for x
    x = 639,566,781,223.28/860,896.73
  6. Step 6: Final answer
    x = 742,907.66

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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.