Home / 827,584.04-1,240,746.61-427,969.93

Finding the Fourth Proportional to 827,584.04, 1,240,746.61 and 427,969.93

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Solution

The fourth proportional to 827,584.04, 1,240,746.61 and 427,969.93 is: 641,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,584.04 : 1,240,746.61 = 427,969.93 : x
  2. Step 2: Convert to fraction form
    827,584.04/1,240,746.61 = 427,969.93/x
  3. Step 3: Cross multiply
    827,584.04x = 1,240,746.61 × 427,969.93
  4. Step 4: Simplify right side
    827,584.04x = 531,002,238,786.49
  5. Step 5: Solve for x
    x = 531,002,238,786.49/827,584.04
  6. Step 6: Final answer
    x = 641,629.39

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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.