Home / 838,337.60-1,256,748.04-305,733.84

Finding the Fourth Proportional to 838,337.60, 1,256,748.04 and 305,733.84

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Solution

The fourth proportional to 838,337.60, 1,256,748.04 and 305,733.84 is: 458,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,337.60 : 1,256,748.04 = 305,733.84 : x
  2. Step 2: Convert to fraction form
    838,337.60/1,256,748.04 = 305,733.84/x
  3. Step 3: Cross multiply
    838,337.60x = 1,256,748.04 × 305,733.84
  4. Step 4: Simplify right side
    838,337.60x = 384,230,404,181.67
  5. Step 5: Solve for x
    x = 384,230,404,181.67/838,337.60
  6. Step 6: Final answer
    x = 458,324.19

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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.