Home / 902,986.79-1,245,873.76-558,657.30

Finding the Fourth Proportional to 902,986.79, 1,245,873.76 and 558,657.30

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Solution

The fourth proportional to 902,986.79, 1,245,873.76 and 558,657.30 is: 770,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,986.79 : 1,245,873.76 = 558,657.30 : x
  2. Step 2: Convert to fraction form
    902,986.79/1,245,873.76 = 558,657.30/x
  3. Step 3: Cross multiply
    902,986.79x = 1,245,873.76 × 558,657.30
  4. Step 4: Simplify right side
    902,986.79x = 696,016,474,177.83
  5. Step 5: Solve for x
    x = 696,016,474,177.83/902,986.79
  6. Step 6: Final answer
    x = 770,793.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.