Home / 470,553.24-649,367.40-255,693.30

Finding the Fourth Proportional to 470,553.24, 649,367.40 and 255,693.30

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Solution

The fourth proportional to 470,553.24, 649,367.40 and 255,693.30 is: 352,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,553.24 : 649,367.40 = 255,693.30 : x
  2. Step 2: Convert to fraction form
    470,553.24/649,367.40 = 255,693.30/x
  3. Step 3: Cross multiply
    470,553.24x = 649,367.40 × 255,693.30
  4. Step 4: Simplify right side
    470,553.24x = 166,038,893,418.42
  5. Step 5: Solve for x
    x = 166,038,893,418.42/470,553.24
  6. Step 6: Final answer
    x = 352,858.89

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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.