Home / 698,942.88-1,046,635.56-461,930.40

Finding the Fourth Proportional to 698,942.88, 1,046,635.56 and 461,930.40

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Solution

The fourth proportional to 698,942.88, 1,046,635.56 and 461,930.40 is: 691,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,942.88 : 1,046,635.56 = 461,930.40 : x
  2. Step 2: Convert to fraction form
    698,942.88/1,046,635.56 = 461,930.40/x
  3. Step 3: Cross multiply
    698,942.88x = 1,046,635.56 × 461,930.40
  4. Step 4: Simplify right side
    698,942.88x = 483,472,782,885.02
  5. Step 5: Solve for x
    x = 483,472,782,885.02/698,942.88
  6. Step 6: Final answer
    x = 691,720.02

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Why These Related Problems?

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