Home / 842,600.84-1,264,220.48-505,876.64

Finding the Fourth Proportional to 842,600.84, 1,264,220.48 and 505,876.64

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Solution

The fourth proportional to 842,600.84, 1,264,220.48 and 505,876.64 is: 759,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,600.84 : 1,264,220.48 = 505,876.64 : x
  2. Step 2: Convert to fraction form
    842,600.84/1,264,220.48 = 505,876.64/x
  3. Step 3: Cross multiply
    842,600.84x = 1,264,220.48 × 505,876.64
  4. Step 4: Simplify right side
    842,600.84x = 639,539,608,641.59
  5. Step 5: Solve for x
    x = 639,539,608,641.59/842,600.84
  6. Step 6: Final answer
    x = 759,006.61

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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.