Home / 740,940.26-1,022,491.14-401,407.70

Finding the Fourth Proportional to 740,940.26, 1,022,491.14 and 401,407.70

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Solution

The fourth proportional to 740,940.26, 1,022,491.14 and 401,407.70 is: 553,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,940.26 : 1,022,491.14 = 401,407.70 : x
  2. Step 2: Convert to fraction form
    740,940.26/1,022,491.14 = 401,407.70/x
  3. Step 3: Cross multiply
    740,940.26x = 1,022,491.14 × 401,407.70
  4. Step 4: Simplify right side
    740,940.26x = 410,435,816,777.78
  5. Step 5: Solve for x
    x = 410,435,816,777.78/740,940.26
  6. Step 6: Final answer
    x = 553,939.15

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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.