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Finding the Fourth Proportional to 455,931.40, 683,897.10 and 367,357.90

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Solution

The fourth proportional to 455,931.40, 683,897.10 and 367,357.90 is: 551,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,931.40 : 683,897.10 = 367,357.90 : x
  2. Step 2: Convert to fraction form
    455,931.40/683,897.10 = 367,357.90/x
  3. Step 3: Cross multiply
    455,931.40x = 683,897.10 × 367,357.90
  4. Step 4: Simplify right side
    455,931.40x = 251,235,002,472.09
  5. Step 5: Solve for x
    x = 251,235,002,472.09/455,931.40
  6. Step 6: Final answer
    x = 551,036.85

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