Home / 828,360.61-1,240,719.63-684,576.31

Finding the Fourth Proportional to 828,360.61, 1,240,719.63 and 684,576.31

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Solution

The fourth proportional to 828,360.61, 1,240,719.63 and 684,576.31 is: 1,025,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,360.61 : 1,240,719.63 = 684,576.31 : x
  2. Step 2: Convert to fraction form
    828,360.61/1,240,719.63 = 684,576.31/x
  3. Step 3: Cross multiply
    828,360.61x = 1,240,719.63 × 684,576.31
  4. Step 4: Simplify right side
    828,360.61x = 849,367,266,049.97
  5. Step 5: Solve for x
    x = 849,367,266,049.97/828,360.61
  6. Step 6: Final answer
    x = 1,025,359.31

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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.