Home / 550,467.02-759,583.74-308,699.84

Finding the Fourth Proportional to 550,467.02, 759,583.74 and 308,699.84

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Solution

The fourth proportional to 550,467.02, 759,583.74 and 308,699.84 is: 425,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,467.02 : 759,583.74 = 308,699.84 : x
  2. Step 2: Convert to fraction form
    550,467.02/759,583.74 = 308,699.84/x
  3. Step 3: Cross multiply
    550,467.02x = 759,583.74 × 308,699.84
  4. Step 4: Simplify right side
    550,467.02x = 234,483,379,004.60
  5. Step 5: Solve for x
    x = 234,483,379,004.60/550,467.02
  6. Step 6: Final answer
    x = 425,971.71

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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.