Home / 470,749.79-649,664.89-264,037.59

Finding the Fourth Proportional to 470,749.79, 649,664.89 and 264,037.59

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Solution

The fourth proportional to 470,749.79, 649,664.89 and 264,037.59 is: 364,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,749.79 : 649,664.89 = 264,037.59 : x
  2. Step 2: Convert to fraction form
    470,749.79/649,664.89 = 264,037.59/x
  3. Step 3: Cross multiply
    470,749.79x = 649,664.89 × 264,037.59
  4. Step 4: Simplify right side
    470,749.79x = 171,535,951,863.22
  5. Step 5: Solve for x
    x = 171,535,951,863.22/470,749.79
  6. Step 6: Final answer
    x = 364,388.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.