Home / 820,150.28-1,230,083.56-370,766.63

Finding the Fourth Proportional to 820,150.28, 1,230,083.56 and 370,766.63

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Solution

The fourth proportional to 820,150.28, 1,230,083.56 and 370,766.63 is: 556,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,150.28 : 1,230,083.56 = 370,766.63 : x
  2. Step 2: Convert to fraction form
    820,150.28/1,230,083.56 = 370,766.63/x
  3. Step 3: Cross multiply
    820,150.28x = 1,230,083.56 × 370,766.63
  4. Step 4: Simplify right side
    820,150.28x = 456,073,936,159.60
  5. Step 5: Solve for x
    x = 456,073,936,159.60/820,150.28
  6. Step 6: Final answer
    x = 556,085.81

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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.