Home / 823,499.87-1,136,429.73-460,923.75

Finding the Fourth Proportional to 823,499.87, 1,136,429.73 and 460,923.75

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Solution

The fourth proportional to 823,499.87, 1,136,429.73 and 460,923.75 is: 636,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,499.87 : 1,136,429.73 = 460,923.75 : x
  2. Step 2: Convert to fraction form
    823,499.87/1,136,429.73 = 460,923.75/x
  3. Step 3: Cross multiply
    823,499.87x = 1,136,429.73 × 460,923.75
  4. Step 4: Simplify right side
    823,499.87x = 523,807,452,763.09
  5. Step 5: Solve for x
    x = 523,807,452,763.09/823,499.87
  6. Step 6: Final answer
    x = 636,074.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.