Home / 685,110.56-1,026,484.59-454,157.96

Finding the Fourth Proportional to 685,110.56, 1,026,484.59 and 454,157.96

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Solution

The fourth proportional to 685,110.56, 1,026,484.59 and 454,157.96 is: 680,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,110.56 : 1,026,484.59 = 454,157.96 : x
  2. Step 2: Convert to fraction form
    685,110.56/1,026,484.59 = 454,157.96/x
  3. Step 3: Cross multiply
    685,110.56x = 1,026,484.59 × 454,157.96
  4. Step 4: Simplify right side
    685,110.56x = 466,186,147,365.84
  5. Step 5: Solve for x
    x = 466,186,147,365.84/685,110.56
  6. Step 6: Final answer
    x = 680,453.89

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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.