Home / 680,911.04-1,021,202.56-301,622.24

Finding the Fourth Proportional to 680,911.04, 1,021,202.56 and 301,622.24

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Solution

The fourth proportional to 680,911.04, 1,021,202.56 and 301,622.24 is: 452,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,911.04 : 1,021,202.56 = 301,622.24 : x
  2. Step 2: Convert to fraction form
    680,911.04/1,021,202.56 = 301,622.24/x
  3. Step 3: Cross multiply
    680,911.04x = 1,021,202.56 × 301,622.24
  4. Step 4: Simplify right side
    680,911.04x = 308,017,403,640.93
  5. Step 5: Solve for x
    x = 308,017,403,640.93/680,911.04
  6. Step 6: Final answer
    x = 452,360.71

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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.