Home / 689,381.68-1,034,380.08-352,244.86

Finding the Fourth Proportional to 689,381.68, 1,034,380.08 and 352,244.86

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Solution

The fourth proportional to 689,381.68, 1,034,380.08 and 352,244.86 is: 528,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,381.68 : 1,034,380.08 = 352,244.86 : x
  2. Step 2: Convert to fraction form
    689,381.68/1,034,380.08 = 352,244.86/x
  3. Step 3: Cross multiply
    689,381.68x = 1,034,380.08 × 352,244.86
  4. Step 4: Simplify right side
    689,381.68x = 364,355,066,466.39
  5. Step 5: Solve for x
    x = 364,355,066,466.39/689,381.68
  6. Step 6: Final answer
    x = 528,524.44

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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.