Home / 705,757.68-973,933.80-383,472.72

Finding the Fourth Proportional to 705,757.68, 973,933.80 and 383,472.72

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Solution

The fourth proportional to 705,757.68, 973,933.80 and 383,472.72 is: 529,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,757.68 : 973,933.80 = 383,472.72 : x
  2. Step 2: Convert to fraction form
    705,757.68/973,933.80 = 383,472.72/x
  3. Step 3: Cross multiply
    705,757.68x = 973,933.80 × 383,472.72
  4. Step 4: Simplify right side
    705,757.68x = 373,477,043,385.94
  5. Step 5: Solve for x
    x = 373,477,043,385.94/705,757.68
  6. Step 6: Final answer
    x = 529,185.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.