Home / 953,220.20-1,430,027.16-279,323.48

Finding the Fourth Proportional to 953,220.20, 1,430,027.16 and 279,323.48

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Solution

The fourth proportional to 953,220.20, 1,430,027.16 and 279,323.48 is: 419,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,220.20 : 1,430,027.16 = 279,323.48 : x
  2. Step 2: Convert to fraction form
    953,220.20/1,430,027.16 = 279,323.48/x
  3. Step 3: Cross multiply
    953,220.20x = 1,430,027.16 × 279,323.48
  4. Step 4: Simplify right side
    953,220.20x = 399,440,162,825.72
  5. Step 5: Solve for x
    x = 399,440,162,825.72/953,220.20
  6. Step 6: Final answer
    x = 419,042.91

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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.