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Finding the Fourth Proportional to 712,566.59, 983,357.81 and 406,636.88

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Solution

The fourth proportional to 712,566.59, 983,357.81 and 406,636.88 is: 561,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,566.59 : 983,357.81 = 406,636.88 : x
  2. Step 2: Convert to fraction form
    712,566.59/983,357.81 = 406,636.88/x
  3. Step 3: Cross multiply
    712,566.59x = 983,357.81 × 406,636.88
  4. Step 4: Simplify right side
    712,566.59x = 399,869,551,782.03
  5. Step 5: Solve for x
    x = 399,869,551,782.03/712,566.59
  6. Step 6: Final answer
    x = 561,167.98

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