Home / 470,579.52-649,398.36-255,719.64

Finding the Fourth Proportional to 470,579.52, 649,398.36 and 255,719.64

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Solution

The fourth proportional to 470,579.52, 649,398.36 and 255,719.64 is: 352,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,579.52 : 649,398.36 = 255,719.64 : x
  2. Step 2: Convert to fraction form
    470,579.52/649,398.36 = 255,719.64/x
  3. Step 3: Cross multiply
    470,579.52x = 649,398.36 × 255,719.64
  4. Step 4: Simplify right side
    470,579.52x = 166,063,914,835.79
  5. Step 5: Solve for x
    x = 166,063,914,835.79/470,579.52
  6. Step 6: Final answer
    x = 352,892.35

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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.