Home / 749,104.20-1,123,656.30-300,040.20

Finding the Fourth Proportional to 749,104.20, 1,123,656.30 and 300,040.20

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Solution

The fourth proportional to 749,104.20, 1,123,656.30 and 300,040.20 is: 450,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,104.20 : 1,123,656.30 = 300,040.20 : x
  2. Step 2: Convert to fraction form
    749,104.20/1,123,656.30 = 300,040.20/x
  3. Step 3: Cross multiply
    749,104.20x = 1,123,656.30 × 300,040.20
  4. Step 4: Simplify right side
    749,104.20x = 337,142,060,983.26
  5. Step 5: Solve for x
    x = 337,142,060,983.26/749,104.20
  6. Step 6: Final answer
    x = 450,060.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.