Home / 828,359.61-1,240,718.13-684,575.31

Finding the Fourth Proportional to 828,359.61, 1,240,718.13 and 684,575.31

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Solution

The fourth proportional to 828,359.61, 1,240,718.13 and 684,575.31 is: 1,025,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,359.61 : 1,240,718.13 = 684,575.31 : x
  2. Step 2: Convert to fraction form
    828,359.61/1,240,718.13 = 684,575.31/x
  3. Step 3: Cross multiply
    828,359.61x = 1,240,718.13 × 684,575.31
  4. Step 4: Simplify right side
    828,359.61x = 849,364,998,467.37
  5. Step 5: Solve for x
    x = 849,364,998,467.37/828,359.61
  6. Step 6: Final answer
    x = 1,025,357.81

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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.