Home / 1,485,629.10-2,228,421.78-363,698.10

Finding the Fourth Proportional to 1,485,629.10, 2,228,421.78 and 363,698.10

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Solution

The fourth proportional to 1,485,629.10, 2,228,421.78 and 363,698.10 is: 545,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,629.10 : 2,228,421.78 = 363,698.10 : x
  2. Step 2: Convert to fraction form
    1,485,629.10/2,228,421.78 = 363,698.10/x
  3. Step 3: Cross multiply
    1,485,629.10x = 2,228,421.78 × 363,698.10
  4. Step 4: Simplify right side
    1,485,629.10x = 810,472,767,384.62
  5. Step 5: Solve for x
    x = 810,472,767,384.62/1,485,629.10
  6. Step 6: Final answer
    x = 545,541.80

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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.