Home / 470,830.08-649,758.33-255,984.60

Finding the Fourth Proportional to 470,830.08, 649,758.33 and 255,984.60

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Solution

The fourth proportional to 470,830.08, 649,758.33 and 255,984.60 is: 353,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,830.08 : 649,758.33 = 255,984.60 : x
  2. Step 2: Convert to fraction form
    470,830.08/649,758.33 = 255,984.60/x
  3. Step 3: Cross multiply
    470,830.08x = 649,758.33 × 255,984.60
  4. Step 4: Simplify right side
    470,830.08x = 166,328,126,201.72
  5. Step 5: Solve for x
    x = 166,328,126,201.72/470,830.08
  6. Step 6: Final answer
    x = 353,265.72

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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.