Home / 490,944.33-736,409.08-220,881.76

Finding the Fourth Proportional to 490,944.33, 736,409.08 and 220,881.76

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Solution

The fourth proportional to 490,944.33, 736,409.08 and 220,881.76 is: 331,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,944.33 : 736,409.08 = 220,881.76 : x
  2. Step 2: Convert to fraction form
    490,944.33/736,409.08 = 220,881.76/x
  3. Step 3: Cross multiply
    490,944.33x = 736,409.08 × 220,881.76
  4. Step 4: Simplify right side
    490,944.33x = 162,659,333,670.38
  5. Step 5: Solve for x
    x = 162,659,333,670.38/490,944.33
  6. Step 6: Final answer
    x = 331,319.30

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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.