Home / 982,646.82-1,473,988.44-308,715.48

Finding the Fourth Proportional to 982,646.82, 1,473,988.44 and 308,715.48

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Solution

The fourth proportional to 982,646.82, 1,473,988.44 and 308,715.48 is: 463,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,646.82 : 1,473,988.44 = 308,715.48 : x
  2. Step 2: Convert to fraction form
    982,646.82/1,473,988.44 = 308,715.48/x
  3. Step 3: Cross multiply
    982,646.82x = 1,473,988.44 × 308,715.48
  4. Step 4: Simplify right side
    982,646.82x = 455,043,048,769.05
  5. Step 5: Solve for x
    x = 455,043,048,769.05/982,646.82
  6. Step 6: Final answer
    x = 463,078.94

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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.