Home / 470,217.93-649,099.30-317,462.95

Finding the Fourth Proportional to 470,217.93, 649,099.30 and 317,462.95

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Solution

The fourth proportional to 470,217.93, 649,099.30 and 317,462.95 is: 438,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,217.93 : 649,099.30 = 317,462.95 : x
  2. Step 2: Convert to fraction form
    470,217.93/649,099.30 = 317,462.95/x
  3. Step 3: Cross multiply
    470,217.93x = 649,099.30 × 317,462.95
  4. Step 4: Simplify right side
    470,217.93x = 206,064,978,620.94
  5. Step 5: Solve for x
    x = 206,064,978,620.94/470,217.93
  6. Step 6: Final answer
    x = 438,232.92

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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.