Home / 827,683.45-1,241,017.08-321,653.58

Finding the Fourth Proportional to 827,683.45, 1,241,017.08 and 321,653.58

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Solution

The fourth proportional to 827,683.45, 1,241,017.08 and 321,653.58 is: 482,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,683.45 : 1,241,017.08 = 321,653.58 : x
  2. Step 2: Convert to fraction form
    827,683.45/1,241,017.08 = 321,653.58/x
  3. Step 3: Cross multiply
    827,683.45x = 1,241,017.08 × 321,653.58
  4. Step 4: Simplify right side
    827,683.45x = 399,177,586,623.15
  5. Step 5: Solve for x
    x = 399,177,586,623.15/827,683.45
  6. Step 6: Final answer
    x = 482,282.91

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1.5x scale

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.