Home / 766,667.12-1,150,004.93-317,144.45

Finding the Fourth Proportional to 766,667.12, 1,150,004.93 and 317,144.45

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Solution

The fourth proportional to 766,667.12, 1,150,004.93 and 317,144.45 is: 475,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,667.12 : 1,150,004.93 = 317,144.45 : x
  2. Step 2: Convert to fraction form
    766,667.12/1,150,004.93 = 317,144.45/x
  3. Step 3: Cross multiply
    766,667.12x = 1,150,004.93 × 317,144.45
  4. Step 4: Simplify right side
    766,667.12x = 364,717,682,311.43
  5. Step 5: Solve for x
    x = 364,717,682,311.43/766,667.12
  6. Step 6: Final answer
    x = 475,718.44

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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.