Home / 825,710.83-1,238,269.02-285,820.41

Finding the Fourth Proportional to 825,710.83, 1,238,269.02 and 285,820.41

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Solution

The fourth proportional to 825,710.83, 1,238,269.02 and 285,820.41 is: 428,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,710.83 : 1,238,269.02 = 285,820.41 : x
  2. Step 2: Convert to fraction form
    825,710.83/1,238,269.02 = 285,820.41/x
  3. Step 3: Cross multiply
    825,710.83x = 1,238,269.02 × 285,820.41
  4. Step 4: Simplify right side
    825,710.83x = 353,922,558,986.70
  5. Step 5: Solve for x
    x = 353,922,558,986.70/825,710.83
  6. Step 6: Final answer
    x = 428,627.73

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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.