Home / 1,107,704.02-1,661,408.40-308,918.68

Finding the Fourth Proportional to 1,107,704.02, 1,661,408.40 and 308,918.68

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Solution

The fourth proportional to 1,107,704.02, 1,661,408.40 and 308,918.68 is: 463,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,704.02 : 1,661,408.40 = 308,918.68 : x
  2. Step 2: Convert to fraction form
    1,107,704.02/1,661,408.40 = 308,918.68/x
  3. Step 3: Cross multiply
    1,107,704.02x = 1,661,408.40 × 308,918.68
  4. Step 4: Simplify right side
    1,107,704.02x = 513,240,089,868.91
  5. Step 5: Solve for x
    x = 513,240,089,868.91/1,107,704.02
  6. Step 6: Final answer
    x = 463,336.85

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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.