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Finding the Fourth Proportional to 519,039.40, 778,818.30 and 294,572.20

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Solution

The fourth proportional to 519,039.40, 778,818.30 and 294,572.20 is: 442,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,039.40 : 778,818.30 = 294,572.20 : x
  2. Step 2: Convert to fraction form
    519,039.40/778,818.30 = 294,572.20/x
  3. Step 3: Cross multiply
    519,039.40x = 778,818.30 × 294,572.20
  4. Step 4: Simplify right side
    519,039.40x = 229,418,220,031.26
  5. Step 5: Solve for x
    x = 229,418,220,031.26/519,039.40
  6. Step 6: Final answer
    x = 442,005.40

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