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Finding the Fourth Proportional to 619,790.04, 928,810.26 and 264,679.56

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Solution

The fourth proportional to 619,790.04, 928,810.26 and 264,679.56 is: 396,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,790.04 : 928,810.26 = 264,679.56 : x
  2. Step 2: Convert to fraction form
    619,790.04/928,810.26 = 264,679.56/x
  3. Step 3: Cross multiply
    619,790.04x = 928,810.26 × 264,679.56
  4. Step 4: Simplify right side
    619,790.04x = 245,837,090,940.29
  5. Step 5: Solve for x
    x = 245,837,090,940.29/619,790.04
  6. Step 6: Final answer
    x = 396,645.76

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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.