Home / 830,650.17-1,245,913.02-262,049.97

Finding the Fourth Proportional to 830,650.17, 1,245,913.02 and 262,049.97

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Solution

The fourth proportional to 830,650.17, 1,245,913.02 and 262,049.97 is: 393,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,650.17 : 1,245,913.02 = 262,049.97 : x
  2. Step 2: Convert to fraction form
    830,650.17/1,245,913.02 = 262,049.97/x
  3. Step 3: Cross multiply
    830,650.17x = 1,245,913.02 × 262,049.97
  4. Step 4: Simplify right side
    830,650.17x = 326,491,469,513.61
  5. Step 5: Solve for x
    x = 326,491,469,513.61/830,650.17
  6. Step 6: Final answer
    x = 393,055.32

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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.