Home / 828,784.70-1,243,053.87-229,683.39

Finding the Fourth Proportional to 828,784.70, 1,243,053.87 and 229,683.39

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Solution

The fourth proportional to 828,784.70, 1,243,053.87 and 229,683.39 is: 344,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,784.70 : 1,243,053.87 = 229,683.39 : x
  2. Step 2: Convert to fraction form
    828,784.70/1,243,053.87 = 229,683.39/x
  3. Step 3: Cross multiply
    828,784.70x = 1,243,053.87 × 229,683.39
  4. Step 4: Simplify right side
    828,784.70x = 285,508,826,814.22
  5. Step 5: Solve for x
    x = 285,508,826,814.22/828,784.70
  6. Step 6: Final answer
    x = 344,490.95

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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.