Home / 899,976.42-1,241,968.14-492,071.76

Finding the Fourth Proportional to 899,976.42, 1,241,968.14 and 492,071.76

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Solution

The fourth proportional to 899,976.42, 1,241,968.14 and 492,071.76 is: 679,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,976.42 : 1,241,968.14 = 492,071.76 : x
  2. Step 2: Convert to fraction form
    899,976.42/1,241,968.14 = 492,071.76/x
  3. Step 3: Cross multiply
    899,976.42x = 1,241,968.14 × 492,071.76
  4. Step 4: Simplify right side
    899,976.42x = 611,137,448,513.73
  5. Step 5: Solve for x
    x = 611,137,448,513.73/899,976.42
  6. Step 6: Final answer
    x = 679,059.40

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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.