Home / 916,917.44-1,375,311.20-242,983.80

Finding the Fourth Proportional to 916,917.44, 1,375,311.20 and 242,983.80

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Solution

The fourth proportional to 916,917.44, 1,375,311.20 and 242,983.80 is: 364,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,917.44 : 1,375,311.20 = 242,983.80 : x
  2. Step 2: Convert to fraction form
    916,917.44/1,375,311.20 = 242,983.80/x
  3. Step 3: Cross multiply
    916,917.44x = 1,375,311.20 × 242,983.80
  4. Step 4: Simplify right side
    916,917.44x = 334,178,340,343.64
  5. Step 5: Solve for x
    x = 334,178,340,343.64/916,917.44
  6. Step 6: Final answer
    x = 364,458.49

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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.