Home / 351,977.77-523,438.82-340,767.57

Finding the Fourth Proportional to 351,977.77, 523,438.82 and 340,767.57

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Solution

The fourth proportional to 351,977.77, 523,438.82 and 340,767.57 is: 506,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977.77 : 523,438.82 = 340,767.57 : x
  2. Step 2: Convert to fraction form
    351,977.77/523,438.82 = 340,767.57/x
  3. Step 3: Cross multiply
    351,977.77x = 523,438.82 × 340,767.57
  4. Step 4: Simplify right side
    351,977.77x = 178,370,975,586.99
  5. Step 5: Solve for x
    x = 178,370,975,586.99/351,977.77
  6. Step 6: Final answer
    x = 506,767.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.