Home / 979,666.08-1,469,671.34-447,240.93

Finding the Fourth Proportional to 979,666.08, 1,469,671.34 and 447,240.93

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Solution

The fourth proportional to 979,666.08, 1,469,671.34 and 447,240.93 is: 670,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,666.08 : 1,469,671.34 = 447,240.93 : x
  2. Step 2: Convert to fraction form
    979,666.08/1,469,671.34 = 447,240.93/x
  3. Step 3: Cross multiply
    979,666.08x = 1,469,671.34 × 447,240.93
  4. Step 4: Simplify right side
    979,666.08x = 657,297,174,659.74
  5. Step 5: Solve for x
    x = 657,297,174,659.74/979,666.08
  6. Step 6: Final answer
    x = 670,940.02

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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.