Home / 750,104.93-1,035,136.71-405,933.23

Finding the Fourth Proportional to 750,104.93, 1,035,136.71 and 405,933.23

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Solution

The fourth proportional to 750,104.93, 1,035,136.71 and 405,933.23 is: 560,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,104.93 : 1,035,136.71 = 405,933.23 : x
  2. Step 2: Convert to fraction form
    750,104.93/1,035,136.71 = 405,933.23/x
  3. Step 3: Cross multiply
    750,104.93x = 1,035,136.71 × 405,933.23
  4. Step 4: Simplify right side
    750,104.93x = 420,196,390,769.72
  5. Step 5: Solve for x
    x = 420,196,390,769.72/750,104.93
  6. Step 6: Final answer
    x = 560,183.48

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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.