Home / 470,999.20-706,280.10-204,622.60

Finding the Fourth Proportional to 470,999.20, 706,280.10 and 204,622.60

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Solution

The fourth proportional to 470,999.20, 706,280.10 and 204,622.60 is: 306,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,999.20 : 706,280.10 = 204,622.60 : x
  2. Step 2: Convert to fraction form
    470,999.20/706,280.10 = 204,622.60/x
  3. Step 3: Cross multiply
    470,999.20x = 706,280.10 × 204,622.60
  4. Step 4: Simplify right side
    470,999.20x = 144,520,870,390.26
  5. Step 5: Solve for x
    x = 144,520,870,390.26/470,999.20
  6. Step 6: Final answer
    x = 306,838.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.