Home / 828,587.94-1,143,976.70-567,380.35

Finding the Fourth Proportional to 828,587.94, 1,143,976.70 and 567,380.35

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Solution

The fourth proportional to 828,587.94, 1,143,976.70 and 567,380.35 is: 783,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,587.94 : 1,143,976.70 = 567,380.35 : x
  2. Step 2: Convert to fraction form
    828,587.94/1,143,976.70 = 567,380.35/x
  3. Step 3: Cross multiply
    828,587.94x = 1,143,976.70 × 567,380.35
  4. Step 4: Simplify right side
    828,587.94x = 649,069,896,870.84
  5. Step 5: Solve for x
    x = 649,069,896,870.84/828,587.94
  6. Step 6: Final answer
    x = 783,344.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.