Home / 743,493.60-1,114,460.64-363,890.88

Finding the Fourth Proportional to 743,493.60, 1,114,460.64 and 363,890.88

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Solution

The fourth proportional to 743,493.60, 1,114,460.64 and 363,890.88 is: 545,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,493.60 : 1,114,460.64 = 363,890.88 : x
  2. Step 2: Convert to fraction form
    743,493.60/1,114,460.64 = 363,890.88/x
  3. Step 3: Cross multiply
    743,493.60x = 1,114,460.64 × 363,890.88
  4. Step 4: Simplify right side
    743,493.60x = 405,542,063,014.96
  5. Step 5: Solve for x
    x = 405,542,063,014.96/743,493.60
  6. Step 6: Final answer
    x = 545,454.68

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1.5x scale

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.