Home / 784,511.89-1,176,767.84-548,315.89

Finding the Fourth Proportional to 784,511.89, 1,176,767.84 and 548,315.89

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Solution

The fourth proportional to 784,511.89, 1,176,767.84 and 548,315.89 is: 822,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,511.89 : 1,176,767.84 = 548,315.89 : x
  2. Step 2: Convert to fraction form
    784,511.89/1,176,767.84 = 548,315.89/x
  3. Step 3: Cross multiply
    784,511.89x = 1,176,767.84 × 548,315.89
  4. Step 4: Simplify right side
    784,511.89x = 645,240,505,512.98
  5. Step 5: Solve for x
    x = 645,240,505,512.98/784,511.89
  6. Step 6: Final answer
    x = 822,473.84

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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.