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Finding the Fourth Proportional to 708,323.12, 977,457.45 and 386,026.30

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Solution

The fourth proportional to 708,323.12, 977,457.45 and 386,026.30 is: 532,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,323.12 : 977,457.45 = 386,026.30 : x
  2. Step 2: Convert to fraction form
    708,323.12/977,457.45 = 386,026.30/x
  3. Step 3: Cross multiply
    708,323.12x = 977,457.45 × 386,026.30
  4. Step 4: Simplify right side
    708,323.12x = 377,324,280,387.29
  5. Step 5: Solve for x
    x = 377,324,280,387.29/708,323.12
  6. Step 6: Final answer
    x = 532,700.78

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