Home / 470,965.42-649,949.39-269,800.30

Finding the Fourth Proportional to 470,965.42, 649,949.39 and 269,800.30

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Solution

The fourth proportional to 470,965.42, 649,949.39 and 269,800.30 is: 372,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,965.42 : 649,949.39 = 269,800.30 : x
  2. Step 2: Convert to fraction form
    470,965.42/649,949.39 = 269,800.30/x
  3. Step 3: Cross multiply
    470,965.42x = 649,949.39 × 269,800.30
  4. Step 4: Simplify right side
    470,965.42x = 175,356,537,432.94
  5. Step 5: Solve for x
    x = 175,356,537,432.94/470,965.42
  6. Step 6: Final answer
    x = 372,334.21

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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.