Home / 883,442.60-1,325,163.90-322,495.40

Finding the Fourth Proportional to 883,442.60, 1,325,163.90 and 322,495.40

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Solution

The fourth proportional to 883,442.60, 1,325,163.90 and 322,495.40 is: 483,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,442.60 : 1,325,163.90 = 322,495.40 : x
  2. Step 2: Convert to fraction form
    883,442.60/1,325,163.90 = 322,495.40/x
  3. Step 3: Cross multiply
    883,442.60x = 1,325,163.90 × 322,495.40
  4. Step 4: Simplify right side
    883,442.60x = 427,359,261,996.06
  5. Step 5: Solve for x
    x = 427,359,261,996.06/883,442.60
  6. Step 6: Final answer
    x = 483,743.10

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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.