Home / 874,019.91-1,311,022.56-242,931.90

Finding the Fourth Proportional to 874,019.91, 1,311,022.56 and 242,931.90

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Solution

The fourth proportional to 874,019.91, 1,311,022.56 and 242,931.90 is: 364,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,019.91 : 1,311,022.56 = 242,931.90 : x
  2. Step 2: Convert to fraction form
    874,019.91/1,311,022.56 = 242,931.90/x
  3. Step 3: Cross multiply
    874,019.91x = 1,311,022.56 × 242,931.90
  4. Step 4: Simplify right side
    874,019.91x = 318,489,201,443.66
  5. Step 5: Solve for x
    x = 318,489,201,443.66/874,019.91
  6. Step 6: Final answer
    x = 364,395.82

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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.