Home / 672,724.83-1,008,915.02-199,299.47

Finding the Fourth Proportional to 672,724.83, 1,008,915.02 and 199,299.47

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Solution

The fourth proportional to 672,724.83, 1,008,915.02 and 199,299.47 is: 298,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,724.83 : 1,008,915.02 = 199,299.47 : x
  2. Step 2: Convert to fraction form
    672,724.83/1,008,915.02 = 199,299.47/x
  3. Step 3: Cross multiply
    672,724.83x = 1,008,915.02 × 199,299.47
  4. Step 4: Simplify right side
    672,724.83x = 201,076,222,719.97
  5. Step 5: Solve for x
    x = 201,076,222,719.97/672,724.83
  6. Step 6: Final answer
    x = 298,898.17

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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.