Home / 684,975.44-1,027,869.06-381,623.50

Finding the Fourth Proportional to 684,975.44, 1,027,869.06 and 381,623.50

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Solution

The fourth proportional to 684,975.44, 1,027,869.06 and 381,623.50 is: 572,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,975.44 : 1,027,869.06 = 381,623.50 : x
  2. Step 2: Convert to fraction form
    684,975.44/1,027,869.06 = 381,623.50/x
  3. Step 3: Cross multiply
    684,975.44x = 1,027,869.06 × 381,623.50
  4. Step 4: Simplify right side
    684,975.44x = 392,258,988,218.91
  5. Step 5: Solve for x
    x = 392,258,988,218.91/684,975.44
  6. Step 6: Final answer
    x = 572,661.39

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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.