Home / 982,079.40-1,473,478.92-413,603.60

Finding the Fourth Proportional to 982,079.40, 1,473,478.92 and 413,603.60

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Solution

The fourth proportional to 982,079.40, 1,473,478.92 and 413,603.60 is: 620,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,079.40 : 1,473,478.92 = 413,603.60 : x
  2. Step 2: Convert to fraction form
    982,079.40/1,473,478.92 = 413,603.60/x
  3. Step 3: Cross multiply
    982,079.40x = 1,473,478.92 × 413,603.60
  4. Step 4: Simplify right side
    982,079.40x = 609,436,185,836.11
  5. Step 5: Solve for x
    x = 609,436,185,836.11/982,079.40
  6. Step 6: Final answer
    x = 620,556.94

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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.