Home / 784,546.56-1,176,994.68-285,910.56

Finding the Fourth Proportional to 784,546.56, 1,176,994.68 and 285,910.56

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Solution

The fourth proportional to 784,546.56, 1,176,994.68 and 285,910.56 is: 428,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,546.56 : 1,176,994.68 = 285,910.56 : x
  2. Step 2: Convert to fraction form
    784,546.56/1,176,994.68 = 285,910.56/x
  3. Step 3: Cross multiply
    784,546.56x = 1,176,994.68 × 285,910.56
  4. Step 4: Simplify right side
    784,546.56x = 336,515,208,075.82
  5. Step 5: Solve for x
    x = 336,515,208,075.82/784,546.56
  6. Step 6: Final answer
    x = 428,929.56

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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.