Home / 470,271.78-648,979.74-255,416.04

Finding the Fourth Proportional to 470,271.78, 648,979.74 and 255,416.04

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Solution

The fourth proportional to 470,271.78, 648,979.74 and 255,416.04 is: 352,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,271.78 : 648,979.74 = 255,416.04 : x
  2. Step 2: Convert to fraction form
    470,271.78/648,979.74 = 255,416.04/x
  3. Step 3: Cross multiply
    470,271.78x = 648,979.74 × 255,416.04
  4. Step 4: Simplify right side
    470,271.78x = 165,759,835,231.03
  5. Step 5: Solve for x
    x = 165,759,835,231.03/470,271.78
  6. Step 6: Final answer
    x = 352,476.68

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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.