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Finding the Fourth Proportional to 501,967.80, 692,696.61 and 310,977.09

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Solution

The fourth proportional to 501,967.80, 692,696.61 and 310,977.09 is: 429,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,967.80 : 692,696.61 = 310,977.09 : x
  2. Step 2: Convert to fraction form
    501,967.80/692,696.61 = 310,977.09/x
  3. Step 3: Cross multiply
    501,967.80x = 692,696.61 × 310,977.09
  4. Step 4: Simplify right side
    501,967.80x = 215,412,776,030.67
  5. Step 5: Solve for x
    x = 215,412,776,030.67/501,967.80
  6. Step 6: Final answer
    x = 429,136.64

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