Home / 828,847.20-1,243,270.80-662,959.20

Finding the Fourth Proportional to 828,847.20, 1,243,270.80 and 662,959.20

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Solution

The fourth proportional to 828,847.20, 1,243,270.80 and 662,959.20 is: 994,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,847.20 : 1,243,270.80 = 662,959.20 : x
  2. Step 2: Convert to fraction form
    828,847.20/1,243,270.80 = 662,959.20/x
  3. Step 3: Cross multiply
    828,847.20x = 1,243,270.80 × 662,959.20
  4. Step 4: Simplify right side
    828,847.20x = 824,237,814,951.36
  5. Step 5: Solve for x
    x = 824,237,814,951.36/828,847.20
  6. Step 6: Final answer
    x = 994,438.80

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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.