Home / 785,478.72-1,083,894.06-441,287.64

Finding the Fourth Proportional to 785,478.72, 1,083,894.06 and 441,287.64

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Solution

The fourth proportional to 785,478.72, 1,083,894.06 and 441,287.64 is: 608,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,478.72 : 1,083,894.06 = 441,287.64 : x
  2. Step 2: Convert to fraction form
    785,478.72/1,083,894.06 = 441,287.64/x
  3. Step 3: Cross multiply
    785,478.72x = 1,083,894.06 × 441,287.64
  4. Step 4: Simplify right side
    785,478.72x = 478,309,051,747.42
  5. Step 5: Solve for x
    x = 478,309,051,747.42/785,478.72
  6. Step 6: Final answer
    x = 608,939.54

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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.