Home / 470,981.04-649,958.46-256,125.75

Finding the Fourth Proportional to 470,981.04, 649,958.46 and 256,125.75

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Solution

The fourth proportional to 470,981.04, 649,958.46 and 256,125.75 is: 353,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,981.04 : 649,958.46 = 256,125.75 : x
  2. Step 2: Convert to fraction form
    470,981.04/649,958.46 = 256,125.75/x
  3. Step 3: Cross multiply
    470,981.04x = 649,958.46 × 256,125.75
  4. Step 4: Simplify right side
    470,981.04x = 166,471,098,036.35
  5. Step 5: Solve for x
    x = 166,471,098,036.35/470,981.04
  6. Step 6: Final answer
    x = 353,456.05

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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.