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Finding the Fourth Proportional to 493,669.80, 740,504.70 and 334,002.60

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Solution

The fourth proportional to 493,669.80, 740,504.70 and 334,002.60 is: 501,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,669.80 : 740,504.70 = 334,002.60 : x
  2. Step 2: Convert to fraction form
    493,669.80/740,504.70 = 334,002.60/x
  3. Step 3: Cross multiply
    493,669.80x = 740,504.70 × 334,002.60
  4. Step 4: Simplify right side
    493,669.80x = 247,330,495,112.22
  5. Step 5: Solve for x
    x = 247,330,495,112.22/493,669.80
  6. Step 6: Final answer
    x = 501,003.90

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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.