Home / 685,099.76-1,026,319.72-504,858

Finding the Fourth Proportional to 685,099.76, 1,026,319.72 and 504,858

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Solution

The fourth proportional to 685,099.76, 1,026,319.72 and 504,858 is: 756,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,099.76 : 1,026,319.72 = 504,858 : x
  2. Step 2: Convert to fraction form
    685,099.76/1,026,319.72 = 504,858/x
  3. Step 3: Cross multiply
    685,099.76x = 1,026,319.72 × 504,858
  4. Step 4: Simplify right side
    685,099.76x = 518,145,721,199.76
  5. Step 5: Solve for x
    x = 518,145,721,199.76/685,099.76
  6. Step 6: Final answer
    x = 756,306.97

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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.