Home / 864,448.02-1,297,128.87-613,351.26

Finding the Fourth Proportional to 864,448.02, 1,297,128.87 and 613,351.26

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Solution

The fourth proportional to 864,448.02, 1,297,128.87 and 613,351.26 is: 920,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,448.02 : 1,297,128.87 = 613,351.26 : x
  2. Step 2: Convert to fraction form
    864,448.02/1,297,128.87 = 613,351.26/x
  3. Step 3: Cross multiply
    864,448.02x = 1,297,128.87 × 613,351.26
  4. Step 4: Simplify right side
    864,448.02x = 795,595,626,796.88
  5. Step 5: Solve for x
    x = 795,595,626,796.88/864,448.02
  6. Step 6: Final answer
    x = 920,351.03

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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.