Home / 920,665.95-1,379,288.21-500,295.39

Finding the Fourth Proportional to 920,665.95, 1,379,288.21 and 500,295.39

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Solution

The fourth proportional to 920,665.95, 1,379,288.21 and 500,295.39 is: 749,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,665.95 : 1,379,288.21 = 500,295.39 : x
  2. Step 2: Convert to fraction form
    920,665.95/1,379,288.21 = 500,295.39/x
  3. Step 3: Cross multiply
    920,665.95x = 1,379,288.21 × 500,295.39
  4. Step 4: Simplify right side
    920,665.95x = 690,051,530,442.88
  5. Step 5: Solve for x
    x = 690,051,530,442.88/920,665.95
  6. Step 6: Final answer
    x = 749,513.47

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