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Finding the Fourth Proportional to 461,607.93, 637,356.39 and 298,361.04

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Solution

The fourth proportional to 461,607.93, 637,356.39 and 298,361.04 is: 411,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,607.93 : 637,356.39 = 298,361.04 : x
  2. Step 2: Convert to fraction form
    461,607.93/637,356.39 = 298,361.04/x
  3. Step 3: Cross multiply
    461,607.93x = 637,356.39 × 298,361.04
  4. Step 4: Simplify right side
    461,607.93x = 190,162,315,371.05
  5. Step 5: Solve for x
    x = 190,162,315,371.05/461,607.93
  6. Step 6: Final answer
    x = 411,956.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.