Home / 470,829.60-649,747.44-277,245.72

Finding the Fourth Proportional to 470,829.60, 649,747.44 and 277,245.72

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Solution

The fourth proportional to 470,829.60, 649,747.44 and 277,245.72 is: 382,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,829.60 : 649,747.44 = 277,245.72 : x
  2. Step 2: Convert to fraction form
    470,829.60/649,747.44 = 277,245.72/x
  3. Step 3: Cross multiply
    470,829.60x = 649,747.44 × 277,245.72
  4. Step 4: Simplify right side
    470,829.60x = 180,139,696,820.96
  5. Step 5: Solve for x
    x = 180,139,696,820.96/470,829.60
  6. Step 6: Final answer
    x = 382,600.62

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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.