Home / 691,604.51-1,036,299.60-454,670.40

Finding the Fourth Proportional to 691,604.51, 1,036,299.60 and 454,670.40

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Solution

The fourth proportional to 691,604.51, 1,036,299.60 and 454,670.40 is: 681,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,604.51 : 1,036,299.60 = 454,670.40 : x
  2. Step 2: Convert to fraction form
    691,604.51/1,036,299.60 = 454,670.40/x
  3. Step 3: Cross multiply
    691,604.51x = 1,036,299.60 × 454,670.40
  4. Step 4: Simplify right side
    691,604.51x = 471,174,753,651.84
  5. Step 5: Solve for x
    x = 471,174,753,651.84/691,604.51
  6. Step 6: Final answer
    x = 681,277.73

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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.