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Finding the Fourth Proportional to 430,826.40, 644,439.57 and 302,733.72

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Solution

The fourth proportional to 430,826.40, 644,439.57 and 302,733.72 is: 452,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,826.40 : 644,439.57 = 302,733.72 : x
  2. Step 2: Convert to fraction form
    430,826.40/644,439.57 = 302,733.72/x
  3. Step 3: Cross multiply
    430,826.40x = 644,439.57 × 302,733.72
  4. Step 4: Simplify right side
    430,826.40x = 195,093,588,341.30
  5. Step 5: Solve for x
    x = 195,093,588,341.30/430,826.40
  6. Step 6: Final answer
    x = 452,835.73

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