Home / 727,340.40-1,091,010.60-412,412.40

Finding the Fourth Proportional to 727,340.40, 1,091,010.60 and 412,412.40

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Solution

The fourth proportional to 727,340.40, 1,091,010.60 and 412,412.40 is: 618,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,340.40 : 1,091,010.60 = 412,412.40 : x
  2. Step 2: Convert to fraction form
    727,340.40/1,091,010.60 = 412,412.40/x
  3. Step 3: Cross multiply
    727,340.40x = 1,091,010.60 × 412,412.40
  4. Step 4: Simplify right side
    727,340.40x = 449,946,299,971.44
  5. Step 5: Solve for x
    x = 449,946,299,971.44/727,340.40
  6. Step 6: Final answer
    x = 618,618.60

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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.