Home / 982,611.14-1,355,987.67-552,891.02

Finding the Fourth Proportional to 982,611.14, 1,355,987.67 and 552,891.02

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Solution

The fourth proportional to 982,611.14, 1,355,987.67 and 552,891.02 is: 762,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,611.14 : 1,355,987.67 = 552,891.02 : x
  2. Step 2: Convert to fraction form
    982,611.14/1,355,987.67 = 552,891.02/x
  3. Step 3: Cross multiply
    982,611.14x = 1,355,987.67 × 552,891.02
  4. Step 4: Simplify right side
    982,611.14x = 749,713,405,973.72
  5. Step 5: Solve for x
    x = 749,713,405,973.72/982,611.14
  6. Step 6: Final answer
    x = 762,980.77

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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.