Home / 828,879.29-1,243,314.83-716,216.66

Finding the Fourth Proportional to 828,879.29, 1,243,314.83 and 716,216.66

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Solution

The fourth proportional to 828,879.29, 1,243,314.83 and 716,216.66 is: 1,074,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,879.29 : 1,243,314.83 = 716,216.66 : x
  2. Step 2: Convert to fraction form
    828,879.29/1,243,314.83 = 716,216.66/x
  3. Step 3: Cross multiply
    828,879.29x = 1,243,314.83 × 716,216.66
  4. Step 4: Simplify right side
    828,879.29x = 890,482,794,871.07
  5. Step 5: Solve for x
    x = 890,482,794,871.07/828,879.29
  6. Step 6: Final answer
    x = 1,074,321.44

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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.