Home / 470,690.07-649,556.25-255,830.07

Finding the Fourth Proportional to 470,690.07, 649,556.25 and 255,830.07

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Solution

The fourth proportional to 470,690.07, 649,556.25 and 255,830.07 is: 353,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,690.07 : 649,556.25 = 255,830.07 : x
  2. Step 2: Convert to fraction form
    470,690.07/649,556.25 = 255,830.07/x
  3. Step 3: Cross multiply
    470,690.07x = 649,556.25 × 255,830.07
  4. Step 4: Simplify right side
    470,690.07x = 166,176,020,906.44
  5. Step 5: Solve for x
    x = 166,176,020,906.44/470,690.07
  6. Step 6: Final answer
    x = 353,047.65

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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.