Home / 753,690.60-1,130,190.30-332,749.80

Finding the Fourth Proportional to 753,690.60, 1,130,190.30 and 332,749.80

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Solution

The fourth proportional to 753,690.60, 1,130,190.30 and 332,749.80 is: 498,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,690.60 : 1,130,190.30 = 332,749.80 : x
  2. Step 2: Convert to fraction form
    753,690.60/1,130,190.30 = 332,749.80/x
  3. Step 3: Cross multiply
    753,690.60x = 1,130,190.30 × 332,749.80
  4. Step 4: Simplify right side
    753,690.60x = 376,070,596,286.94
  5. Step 5: Solve for x
    x = 376,070,596,286.94/753,690.60
  6. Step 6: Final answer
    x = 498,972.12

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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.