Home / 615,629.20-923,443.80-335,693.20

Finding the Fourth Proportional to 615,629.20, 923,443.80 and 335,693.20

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Solution

The fourth proportional to 615,629.20, 923,443.80 and 335,693.20 is: 503,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,629.20 : 923,443.80 = 335,693.20 : x
  2. Step 2: Convert to fraction form
    615,629.20/923,443.80 = 335,693.20/x
  3. Step 3: Cross multiply
    615,629.20x = 923,443.80 × 335,693.20
  4. Step 4: Simplify right side
    615,629.20x = 309,993,804,242.16
  5. Step 5: Solve for x
    x = 309,993,804,242.16/615,629.20
  6. Step 6: Final answer
    x = 503,539.80

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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.