Home / 722,940.96-1,084,638.09-435,066.77

Finding the Fourth Proportional to 722,940.96, 1,084,638.09 and 435,066.77

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Solution

The fourth proportional to 722,940.96, 1,084,638.09 and 435,066.77 is: 652,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,940.96 : 1,084,638.09 = 435,066.77 : x
  2. Step 2: Convert to fraction form
    722,940.96/1,084,638.09 = 435,066.77/x
  3. Step 3: Cross multiply
    722,940.96x = 1,084,638.09 × 435,066.77
  4. Step 4: Simplify right side
    722,940.96x = 471,889,985,012.08
  5. Step 5: Solve for x
    x = 471,889,985,012.08/722,940.96
  6. Step 6: Final answer
    x = 652,736.55

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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.