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Finding the Fourth Proportional to 578,194.46, 797,869.81 and 320,053.94

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Solution

The fourth proportional to 578,194.46, 797,869.81 and 320,053.94 is: 441,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,194.46 : 797,869.81 = 320,053.94 : x
  2. Step 2: Convert to fraction form
    578,194.46/797,869.81 = 320,053.94/x
  3. Step 3: Cross multiply
    578,194.46x = 797,869.81 × 320,053.94
  4. Step 4: Simplify right side
    578,194.46x = 255,361,376,297.55
  5. Step 5: Solve for x
    x = 255,361,376,297.55/578,194.46
  6. Step 6: Final answer
    x = 441,653.10

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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.