Home / 828,749.80-1,243,124.70-563,029.30

Finding the Fourth Proportional to 828,749.80, 1,243,124.70 and 563,029.30

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Solution

The fourth proportional to 828,749.80, 1,243,124.70 and 563,029.30 is: 844,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,749.80 : 1,243,124.70 = 563,029.30 : x
  2. Step 2: Convert to fraction form
    828,749.80/1,243,124.70 = 563,029.30/x
  3. Step 3: Cross multiply
    828,749.80x = 1,243,124.70 × 563,029.30
  4. Step 4: Simplify right side
    828,749.80x = 699,915,629,653.71
  5. Step 5: Solve for x
    x = 699,915,629,653.71/828,749.80
  6. Step 6: Final answer
    x = 844,543.95

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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.