Home / 682,904.40-1,022,974.20-472,779.60

Finding the Fourth Proportional to 682,904.40, 1,022,974.20 and 472,779.60

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Solution

The fourth proportional to 682,904.40, 1,022,974.20 and 472,779.60 is: 708,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,904.40 : 1,022,974.20 = 472,779.60 : x
  2. Step 2: Convert to fraction form
    682,904.40/1,022,974.20 = 472,779.60/x
  3. Step 3: Cross multiply
    682,904.40x = 1,022,974.20 × 472,779.60
  4. Step 4: Simplify right side
    682,904.40x = 483,641,333,086.32
  5. Step 5: Solve for x
    x = 483,641,333,086.32/682,904.40
  6. Step 6: Final answer
    x = 708,212.35

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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.