Home / 689,412.02-951,446.07-383,546.03

Finding the Fourth Proportional to 689,412.02, 951,446.07 and 383,546.03

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Solution

The fourth proportional to 689,412.02, 951,446.07 and 383,546.03 is: 529,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,412.02 : 951,446.07 = 383,546.03 : x
  2. Step 2: Convert to fraction form
    689,412.02/951,446.07 = 383,546.03/x
  3. Step 3: Cross multiply
    689,412.02x = 951,446.07 × 383,546.03
  4. Step 4: Simplify right side
    689,412.02x = 364,923,365,286.22
  5. Step 5: Solve for x
    x = 364,923,365,286.22/689,412.02
  6. Step 6: Final answer
    x = 529,325.50

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1.5x scale

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.