Home / 705,727.35-973,908.09-383,437.26

Finding the Fourth Proportional to 705,727.35, 973,908.09 and 383,437.26

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Solution

The fourth proportional to 705,727.35, 973,908.09 and 383,437.26 is: 529,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,727.35 : 973,908.09 = 383,437.26 : x
  2. Step 2: Convert to fraction form
    705,727.35/973,908.09 = 383,437.26/x
  3. Step 3: Cross multiply
    705,727.35x = 973,908.09 × 383,437.26
  4. Step 4: Simplify right side
    705,727.35x = 373,432,649,521.43
  5. Step 5: Solve for x
    x = 373,432,649,521.43/705,727.35
  6. Step 6: Final answer
    x = 529,145.78

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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.