Home / 982,290.80-1,473,436.20-509,121.20

Finding the Fourth Proportional to 982,290.80, 1,473,436.20 and 509,121.20

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Solution

The fourth proportional to 982,290.80, 1,473,436.20 and 509,121.20 is: 763,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,290.80 : 1,473,436.20 = 509,121.20 : x
  2. Step 2: Convert to fraction form
    982,290.80/1,473,436.20 = 509,121.20/x
  3. Step 3: Cross multiply
    982,290.80x = 1,473,436.20 × 509,121.20
  4. Step 4: Simplify right side
    982,290.80x = 750,157,606,267.44
  5. Step 5: Solve for x
    x = 750,157,606,267.44/982,290.80
  6. Step 6: Final answer
    x = 763,681.80

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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.