Home / 470,629.04-649,473.08-255,769.10

Finding the Fourth Proportional to 470,629.04, 649,473.08 and 255,769.10

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Solution

The fourth proportional to 470,629.04, 649,473.08 and 255,769.10 is: 352,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,629.04 : 649,473.08 = 255,769.10 : x
  2. Step 2: Convert to fraction form
    470,629.04/649,473.08 = 255,769.10/x
  3. Step 3: Cross multiply
    470,629.04x = 649,473.08 × 255,769.10
  4. Step 4: Simplify right side
    470,629.04x = 166,115,140,619.62
  5. Step 5: Solve for x
    x = 166,115,140,619.62/470,629.04
  6. Step 6: Final answer
    x = 352,964.07

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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.