Home / 689,204.89-951,103.29-383,274.60

Finding the Fourth Proportional to 689,204.89, 951,103.29 and 383,274.60

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Solution

The fourth proportional to 689,204.89, 951,103.29 and 383,274.60 is: 528,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,204.89 : 951,103.29 = 383,274.60 : x
  2. Step 2: Convert to fraction form
    689,204.89/951,103.29 = 383,274.60/x
  3. Step 3: Cross multiply
    689,204.89x = 951,103.29 × 383,274.60
  4. Step 4: Simplify right side
    689,204.89x = 364,533,733,033.43
  5. Step 5: Solve for x
    x = 364,533,733,033.43/689,204.89
  6. Step 6: Final answer
    x = 528,919.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.