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Finding the Fourth Proportional to 704,879.96, 972,502.74 and 398,925.95

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Solution

The fourth proportional to 704,879.96, 972,502.74 and 398,925.95 is: 550,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,879.96 : 972,502.74 = 398,925.95 : x
  2. Step 2: Convert to fraction form
    704,879.96/972,502.74 = 398,925.95/x
  3. Step 3: Cross multiply
    704,879.96x = 972,502.74 × 398,925.95
  4. Step 4: Simplify right side
    704,879.96x = 387,956,574,569.59
  5. Step 5: Solve for x
    x = 387,956,574,569.59/704,879.96
  6. Step 6: Final answer
    x = 550,386.73

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