Home / 980,782.56-1,471,348.80-382,069.44

Finding the Fourth Proportional to 980,782.56, 1,471,348.80 and 382,069.44

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Solution

The fourth proportional to 980,782.56, 1,471,348.80 and 382,069.44 is: 573,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,782.56 : 1,471,348.80 = 382,069.44 : x
  2. Step 2: Convert to fraction form
    980,782.56/1,471,348.80 = 382,069.44/x
  3. Step 3: Cross multiply
    980,782.56x = 1,471,348.80 × 382,069.44
  4. Step 4: Simplify right side
    980,782.56x = 562,157,412,060.67
  5. Step 5: Solve for x
    x = 562,157,412,060.67/980,782.56
  6. Step 6: Final answer
    x = 573,172.32

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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.