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Finding the Fourth Proportional to 658,457.48, 986,655.90 and 509,065.94

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Solution

The fourth proportional to 658,457.48, 986,655.90 and 509,065.94 is: 762,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,457.48 : 986,655.90 = 509,065.94 : x
  2. Step 2: Convert to fraction form
    658,457.48/986,655.90 = 509,065.94/x
  3. Step 3: Cross multiply
    658,457.48x = 986,655.90 × 509,065.94
  4. Step 4: Simplify right side
    658,457.48x = 502,272,913,190.05
  5. Step 5: Solve for x
    x = 502,272,913,190.05/658,457.48
  6. Step 6: Final answer
    x = 762,802.35

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