Home / 831,654.02-1,247,615.55-325,940.64

Finding the Fourth Proportional to 831,654.02, 1,247,615.55 and 325,940.64

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Solution

The fourth proportional to 831,654.02, 1,247,615.55 and 325,940.64 is: 488,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,654.02 : 1,247,615.55 = 325,940.64 : x
  2. Step 2: Convert to fraction form
    831,654.02/1,247,615.55 = 325,940.64/x
  3. Step 3: Cross multiply
    831,654.02x = 1,247,615.55 × 325,940.64
  4. Step 4: Simplify right side
    831,654.02x = 406,648,610,840.95
  5. Step 5: Solve for x
    x = 406,648,610,840.95/831,654.02
  6. Step 6: Final answer
    x = 488,963.68

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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.