Home / 775,978.43-1,162,285.34-375,779.97

Finding the Fourth Proportional to 775,978.43, 1,162,285.34 and 375,779.97

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Solution

The fourth proportional to 775,978.43, 1,162,285.34 and 375,779.97 is: 562,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,978.43 : 1,162,285.34 = 375,779.97 : x
  2. Step 2: Convert to fraction form
    775,978.43/1,162,285.34 = 375,779.97/x
  3. Step 3: Cross multiply
    775,978.43x = 1,162,285.34 × 375,779.97
  4. Step 4: Simplify right side
    775,978.43x = 436,763,548,317.74
  5. Step 5: Solve for x
    x = 436,763,548,317.74/775,978.43
  6. Step 6: Final answer
    x = 562,855.27

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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.