Home / 713,884.30-1,071,776.78-414,579.72

Finding the Fourth Proportional to 713,884.30, 1,071,776.78 and 414,579.72

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Solution

The fourth proportional to 713,884.30, 1,071,776.78 and 414,579.72 is: 622,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,884.30 : 1,071,776.78 = 414,579.72 : x
  2. Step 2: Convert to fraction form
    713,884.30/1,071,776.78 = 414,579.72/x
  3. Step 3: Cross multiply
    713,884.30x = 1,071,776.78 × 414,579.72
  4. Step 4: Simplify right side
    713,884.30x = 444,336,917,354.90
  5. Step 5: Solve for x
    x = 444,336,917,354.90/713,884.30
  6. Step 6: Final answer
    x = 622,421.47

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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.