Home / 789,033.60-1,183,668.48-290,359.68

Finding the Fourth Proportional to 789,033.60, 1,183,668.48 and 290,359.68

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Solution

The fourth proportional to 789,033.60, 1,183,668.48 and 290,359.68 is: 435,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,033.60 : 1,183,668.48 = 290,359.68 : x
  2. Step 2: Convert to fraction form
    789,033.60/1,183,668.48 = 290,359.68/x
  3. Step 3: Cross multiply
    789,033.60x = 1,183,668.48 × 290,359.68
  4. Step 4: Simplify right side
    789,033.60x = 343,689,601,078.89
  5. Step 5: Solve for x
    x = 343,689,601,078.89/789,033.60
  6. Step 6: Final answer
    x = 435,582.97

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1.5x scale

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.