Home / 780,892.65-1,171,630.58-307,907.73

Finding the Fourth Proportional to 780,892.65, 1,171,630.58 and 307,907.73

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Solution

The fourth proportional to 780,892.65, 1,171,630.58 and 307,907.73 is: 461,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,892.65 : 1,171,630.58 = 307,907.73 : x
  2. Step 2: Convert to fraction form
    780,892.65/1,171,630.58 = 307,907.73/x
  3. Step 3: Cross multiply
    780,892.65x = 1,171,630.58 × 307,907.73
  4. Step 4: Simplify right side
    780,892.65x = 360,754,110,746.85
  5. Step 5: Solve for x
    x = 360,754,110,746.85/780,892.65
  6. Step 6: Final answer
    x = 461,976.57

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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.