Home / 470,619.68-649,460.24-255,763.36

Finding the Fourth Proportional to 470,619.68, 649,460.24 and 255,763.36

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Solution

The fourth proportional to 470,619.68, 649,460.24 and 255,763.36 is: 352,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,619.68 : 649,460.24 = 255,763.36 : x
  2. Step 2: Convert to fraction form
    470,619.68/649,460.24 = 255,763.36/x
  3. Step 3: Cross multiply
    470,619.68x = 649,460.24 × 255,763.36
  4. Step 4: Simplify right side
    470,619.68x = 166,108,133,168.81
  5. Step 5: Solve for x
    x = 166,108,133,168.81/470,619.68
  6. Step 6: Final answer
    x = 352,956.20

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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.