Home / 830,180.40-1,244,906.10-380,751.90

Finding the Fourth Proportional to 830,180.40, 1,244,906.10 and 380,751.90

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Solution

The fourth proportional to 830,180.40, 1,244,906.10 and 380,751.90 is: 570,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,180.40 : 1,244,906.10 = 380,751.90 : x
  2. Step 2: Convert to fraction form
    830,180.40/1,244,906.10 = 380,751.90/x
  3. Step 3: Cross multiply
    830,180.40x = 1,244,906.10 × 380,751.90
  4. Step 4: Simplify right side
    830,180.40x = 474,000,362,896.59
  5. Step 5: Solve for x
    x = 474,000,362,896.59/830,180.40
  6. Step 6: Final answer
    x = 570,960.68

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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.