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Finding the Fourth Proportional to 524,106.40, 786,159.60 and 489,114.40

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Solution

The fourth proportional to 524,106.40, 786,159.60 and 489,114.40 is: 733,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,106.40 : 786,159.60 = 489,114.40 : x
  2. Step 2: Convert to fraction form
    524,106.40/786,159.60 = 489,114.40/x
  3. Step 3: Cross multiply
    524,106.40x = 786,159.60 × 489,114.40
  4. Step 4: Simplify right side
    524,106.40x = 384,521,981,058.24
  5. Step 5: Solve for x
    x = 384,521,981,058.24/524,106.40
  6. Step 6: Final answer
    x = 733,671.60

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