Home / 727,270.29-1,089,702.59-371,795.31

Finding the Fourth Proportional to 727,270.29, 1,089,702.59 and 371,795.31

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Solution

The fourth proportional to 727,270.29, 1,089,702.59 and 371,795.31 is: 557,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,270.29 : 1,089,702.59 = 371,795.31 : x
  2. Step 2: Convert to fraction form
    727,270.29/1,089,702.59 = 371,795.31/x
  3. Step 3: Cross multiply
    727,270.29x = 1,089,702.59 × 371,795.31
  4. Step 4: Simplify right side
    727,270.29x = 405,146,310,397.88
  5. Step 5: Solve for x
    x = 405,146,310,397.88/727,270.29
  6. Step 6: Final answer
    x = 557,078.04

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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.