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Finding the Fourth Proportional to 461,440.40, 690,624.60 and 334,720.40

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Solution

The fourth proportional to 461,440.40, 690,624.60 and 334,720.40 is: 500,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,440.40 : 690,624.60 = 334,720.40 : x
  2. Step 2: Convert to fraction form
    461,440.40/690,624.60 = 334,720.40/x
  3. Step 3: Cross multiply
    461,440.40x = 690,624.60 × 334,720.40
  4. Step 4: Simplify right side
    461,440.40x = 231,166,142,361.84
  5. Step 5: Solve for x
    x = 231,166,142,361.84/461,440.40
  6. Step 6: Final answer
    x = 500,966.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.