Home / 971,770.20-1,456,999.20-516,436.80

Finding the Fourth Proportional to 971,770.20, 1,456,999.20 and 516,436.80

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Solution

The fourth proportional to 971,770.20, 1,456,999.20 and 516,436.80 is: 774,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,770.20 : 1,456,999.20 = 516,436.80 : x
  2. Step 2: Convert to fraction form
    971,770.20/1,456,999.20 = 516,436.80/x
  3. Step 3: Cross multiply
    971,770.20x = 1,456,999.20 × 516,436.80
  4. Step 4: Simplify right side
    971,770.20x = 752,448,004,450.56
  5. Step 5: Solve for x
    x = 752,448,004,450.56/971,770.20
  6. Step 6: Final answer
    x = 774,306.52

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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.