Home / 470,972.44-649,945.04-256,114.84

Finding the Fourth Proportional to 470,972.44, 649,945.04 and 256,114.84

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Solution

The fourth proportional to 470,972.44, 649,945.04 and 256,114.84 is: 353,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,972.44 : 649,945.04 = 256,114.84 : x
  2. Step 2: Convert to fraction form
    470,972.44/649,945.04 = 256,114.84/x
  3. Step 3: Cross multiply
    470,972.44x = 649,945.04 × 256,114.84
  4. Step 4: Simplify right side
    470,972.44x = 166,460,569,928.39
  5. Step 5: Solve for x
    x = 166,460,569,928.39/470,972.44
  6. Step 6: Final answer
    x = 353,440.15

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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.