Home / 828,847.70-1,243,271.55-662,959.70

Finding the Fourth Proportional to 828,847.70, 1,243,271.55 and 662,959.70

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Solution

The fourth proportional to 828,847.70, 1,243,271.55 and 662,959.70 is: 994,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,847.70 : 1,243,271.55 = 662,959.70 : x
  2. Step 2: Convert to fraction form
    828,847.70/1,243,271.55 = 662,959.70/x
  3. Step 3: Cross multiply
    828,847.70x = 1,243,271.55 × 662,959.70
  4. Step 4: Simplify right side
    828,847.70x = 824,238,933,806.54
  5. Step 5: Solve for x
    x = 824,238,933,806.54/828,847.70
  6. Step 6: Final answer
    x = 994,439.55

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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.