Home / 651,817.40-977,896.20-252,471.20

Finding the Fourth Proportional to 651,817.40, 977,896.20 and 252,471.20

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Solution

The fourth proportional to 651,817.40, 977,896.20 and 252,471.20 is: 378,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,817.40 : 977,896.20 = 252,471.20 : x
  2. Step 2: Convert to fraction form
    651,817.40/977,896.20 = 252,471.20/x
  3. Step 3: Cross multiply
    651,817.40x = 977,896.20 × 252,471.20
  4. Step 4: Simplify right side
    651,817.40x = 246,890,627,089.44
  5. Step 5: Solve for x
    x = 246,890,627,089.44/651,817.40
  6. Step 6: Final answer
    x = 378,772.69

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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.