Home / 765,733.26-1,055,578.72-490,060.70

Finding the Fourth Proportional to 765,733.26, 1,055,578.72 and 490,060.70

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Solution

The fourth proportional to 765,733.26, 1,055,578.72 and 490,060.70 is: 675,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,733.26 : 1,055,578.72 = 490,060.70 : x
  2. Step 2: Convert to fraction form
    765,733.26/1,055,578.72 = 490,060.70/x
  3. Step 3: Cross multiply
    765,733.26x = 1,055,578.72 × 490,060.70
  4. Step 4: Simplify right side
    765,733.26x = 517,297,646,428.30
  5. Step 5: Solve for x
    x = 517,297,646,428.30/765,733.26
  6. Step 6: Final answer
    x = 675,558.54

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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.