Home / 879,023.43-1,318,586.19-339,282.77

Finding the Fourth Proportional to 879,023.43, 1,318,586.19 and 339,282.77

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Solution

The fourth proportional to 879,023.43, 1,318,586.19 and 339,282.77 is: 508,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,023.43 : 1,318,586.19 = 339,282.77 : x
  2. Step 2: Convert to fraction form
    879,023.43/1,318,586.19 = 339,282.77/x
  3. Step 3: Cross multiply
    879,023.43x = 1,318,586.19 × 339,282.77
  4. Step 4: Simplify right side
    879,023.43x = 447,373,575,560.09
  5. Step 5: Solve for x
    x = 447,373,575,560.09/879,023.43
  6. Step 6: Final answer
    x = 508,943.85

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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.