Home / 807,745.96-1,211,487.18-570,370.60

Finding the Fourth Proportional to 807,745.96, 1,211,487.18 and 570,370.60

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Solution

The fourth proportional to 807,745.96, 1,211,487.18 and 570,370.60 is: 855,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,745.96 : 1,211,487.18 = 570,370.60 : x
  2. Step 2: Convert to fraction form
    807,745.96/1,211,487.18 = 570,370.60/x
  3. Step 3: Cross multiply
    807,745.96x = 1,211,487.18 × 570,370.60
  4. Step 4: Simplify right side
    807,745.96x = 690,996,669,748.91
  5. Step 5: Solve for x
    x = 690,996,669,748.91/807,745.96
  6. Step 6: Final answer
    x = 855,462.86

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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.