Home / 705,339.86-1,057,549.70-255,975.62

Finding the Fourth Proportional to 705,339.86, 1,057,549.70 and 255,975.62

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Solution

The fourth proportional to 705,339.86, 1,057,549.70 and 255,975.62 is: 383,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,339.86 : 1,057,549.70 = 255,975.62 : x
  2. Step 2: Convert to fraction form
    705,339.86/1,057,549.70 = 255,975.62/x
  3. Step 3: Cross multiply
    705,339.86x = 1,057,549.70 × 255,975.62
  4. Step 4: Simplify right side
    705,339.86x = 270,706,940,138.31
  5. Step 5: Solve for x
    x = 270,706,940,138.31/705,339.86
  6. Step 6: Final answer
    x = 383,796.46

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1.5x scale

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.