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Finding the Fourth Proportional to 598,240.84, 825,574.95 and 326,314.58

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Solution

The fourth proportional to 598,240.84, 825,574.95 and 326,314.58 is: 450,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,240.84 : 825,574.95 = 326,314.58 : x
  2. Step 2: Convert to fraction form
    598,240.84/825,574.95 = 326,314.58/x
  3. Step 3: Cross multiply
    598,240.84x = 825,574.95 × 326,314.58
  4. Step 4: Simplify right side
    598,240.84x = 269,397,143,067.77
  5. Step 5: Solve for x
    x = 269,397,143,067.77/598,240.84
  6. Step 6: Final answer
    x = 450,315.53

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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.