Home / 687,834.06-1,032,450.93-462,485.58

Finding the Fourth Proportional to 687,834.06, 1,032,450.93 and 462,485.58

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Solution

The fourth proportional to 687,834.06, 1,032,450.93 and 462,485.58 is: 694,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,834.06 : 1,032,450.93 = 462,485.58 : x
  2. Step 2: Convert to fraction form
    687,834.06/1,032,450.93 = 462,485.58/x
  3. Step 3: Cross multiply
    687,834.06x = 1,032,450.93 × 462,485.58
  4. Step 4: Simplify right side
    687,834.06x = 477,493,667,182.59
  5. Step 5: Solve for x
    x = 477,493,667,182.59/687,834.06
  6. Step 6: Final answer
    x = 694,198.93

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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.