Home / 763,758.20-1,144,859.70-448,052.60

Finding the Fourth Proportional to 763,758.20, 1,144,859.70 and 448,052.60

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Solution

The fourth proportional to 763,758.20, 1,144,859.70 and 448,052.60 is: 671,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,758.20 : 1,144,859.70 = 448,052.60 : x
  2. Step 2: Convert to fraction form
    763,758.20/1,144,859.70 = 448,052.60/x
  3. Step 3: Cross multiply
    763,758.20x = 1,144,859.70 × 448,052.60
  4. Step 4: Simplify right side
    763,758.20x = 512,957,365,220.22
  5. Step 5: Solve for x
    x = 512,957,365,220.22/763,758.20
  6. Step 6: Final answer
    x = 671,622.73

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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.