Home / 810,161.70-1,118,045.70-447,608.94

Finding the Fourth Proportional to 810,161.70, 1,118,045.70 and 447,608.94

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Solution

The fourth proportional to 810,161.70, 1,118,045.70 and 447,608.94 is: 617,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,161.70 : 1,118,045.70 = 447,608.94 : x
  2. Step 2: Convert to fraction form
    810,161.70/1,118,045.70 = 447,608.94/x
  3. Step 3: Cross multiply
    810,161.70x = 1,118,045.70 × 447,608.94
  4. Step 4: Simplify right side
    810,161.70x = 500,447,250,648.56
  5. Step 5: Solve for x
    x = 500,447,250,648.56/810,161.70
  6. Step 6: Final answer
    x = 617,712.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.