Home / 982,288.38-1,473,611.03-405,913.05

Finding the Fourth Proportional to 982,288.38, 1,473,611.03 and 405,913.05

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Solution

The fourth proportional to 982,288.38, 1,473,611.03 and 405,913.05 is: 608,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,288.38 : 1,473,611.03 = 405,913.05 : x
  2. Step 2: Convert to fraction form
    982,288.38/1,473,611.03 = 405,913.05/x
  3. Step 3: Cross multiply
    982,288.38x = 1,473,611.03 × 405,913.05
  4. Step 4: Simplify right side
    982,288.38x = 598,157,947,700.94
  5. Step 5: Solve for x
    x = 598,157,947,700.94/982,288.38
  6. Step 6: Final answer
    x = 608,943.32

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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.