Home / 780,608.64-1,077,225.88-441,069.60

Finding the Fourth Proportional to 780,608.64, 1,077,225.88 and 441,069.60

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Solution

The fourth proportional to 780,608.64, 1,077,225.88 and 441,069.60 is: 608,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,608.64 : 1,077,225.88 = 441,069.60 : x
  2. Step 2: Convert to fraction form
    780,608.64/1,077,225.88 = 441,069.60/x
  3. Step 3: Cross multiply
    780,608.64x = 1,077,225.88 × 441,069.60
  4. Step 4: Simplify right side
    780,608.64x = 475,131,588,001.25
  5. Step 5: Solve for x
    x = 475,131,588,001.25/780,608.64
  6. Step 6: Final answer
    x = 608,668.11

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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.