Home / 672,003.40-1,008,465.90-298,294.60

Finding the Fourth Proportional to 672,003.40, 1,008,465.90 and 298,294.60

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Solution

The fourth proportional to 672,003.40, 1,008,465.90 and 298,294.60 is: 447,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,003.40 : 1,008,465.90 = 298,294.60 : x
  2. Step 2: Convert to fraction form
    672,003.40/1,008,465.90 = 298,294.60/x
  3. Step 3: Cross multiply
    672,003.40x = 1,008,465.90 × 298,294.60
  4. Step 4: Simplify right side
    672,003.40x = 300,819,932,254.14
  5. Step 5: Solve for x
    x = 300,819,932,254.14/672,003.40
  6. Step 6: Final answer
    x = 447,646.44

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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.