Home / 685,892.72-1,030,415.88-483,953.60

Finding the Fourth Proportional to 685,892.72, 1,030,415.88 and 483,953.60

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Solution

The fourth proportional to 685,892.72, 1,030,415.88 and 483,953.60 is: 727,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,892.72 : 1,030,415.88 = 483,953.60 : x
  2. Step 2: Convert to fraction form
    685,892.72/1,030,415.88 = 483,953.60/x
  3. Step 3: Cross multiply
    685,892.72x = 1,030,415.88 × 483,953.60
  4. Step 4: Simplify right side
    685,892.72x = 498,673,474,623.17
  5. Step 5: Solve for x
    x = 498,673,474,623.17/685,892.72
  6. Step 6: Final answer
    x = 727,042.96

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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.