Home / 885,696.80-1,328,739.60-436,632.80

Finding the Fourth Proportional to 885,696.80, 1,328,739.60 and 436,632.80

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Solution

The fourth proportional to 885,696.80, 1,328,739.60 and 436,632.80 is: 655,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,696.80 : 1,328,739.60 = 436,632.80 : x
  2. Step 2: Convert to fraction form
    885,696.80/1,328,739.60 = 436,632.80/x
  3. Step 3: Cross multiply
    885,696.80x = 1,328,739.60 × 436,632.80
  4. Step 4: Simplify right side
    885,696.80x = 580,171,292,018.88
  5. Step 5: Solve for x
    x = 580,171,292,018.88/885,696.80
  6. Step 6: Final answer
    x = 655,045.04

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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.