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Finding the Fourth Proportional to 463,934.61, 640,274.58 and 260,019.90

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Solution

The fourth proportional to 463,934.61, 640,274.58 and 260,019.90 is: 358,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,934.61 : 640,274.58 = 260,019.90 : x
  2. Step 2: Convert to fraction form
    463,934.61/640,274.58 = 260,019.90/x
  3. Step 3: Cross multiply
    463,934.61x = 640,274.58 × 260,019.90
  4. Step 4: Simplify right side
    463,934.61x = 166,484,132,264.14
  5. Step 5: Solve for x
    x = 166,484,132,264.14/463,934.61
  6. Step 6: Final answer
    x = 358,852.58

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