Home / 826,983.61-1,240,694.12-447,735.94

Finding the Fourth Proportional to 826,983.61, 1,240,694.12 and 447,735.94

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Solution

The fourth proportional to 826,983.61, 1,240,694.12 and 447,735.94 is: 671,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,983.61 : 1,240,694.12 = 447,735.94 : x
  2. Step 2: Convert to fraction form
    826,983.61/1,240,694.12 = 447,735.94/x
  3. Step 3: Cross multiply
    826,983.61x = 1,240,694.12 × 447,735.94
  4. Step 4: Simplify right side
    826,983.61x = 555,503,348,070.67
  5. Step 5: Solve for x
    x = 555,503,348,070.67/826,983.61
  6. Step 6: Final answer
    x = 671,722.32

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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.