Home / 727,276.29-1,089,711.57-371,801.31

Finding the Fourth Proportional to 727,276.29, 1,089,711.57 and 371,801.31

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Solution

The fourth proportional to 727,276.29, 1,089,711.57 and 371,801.31 is: 557,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,276.29 : 1,089,711.57 = 371,801.31 : x
  2. Step 2: Convert to fraction form
    727,276.29/1,089,711.57 = 371,801.31/x
  3. Step 3: Cross multiply
    727,276.29x = 1,089,711.57 × 371,801.31
  4. Step 4: Simplify right side
    727,276.29x = 405,156,189,248.16
  5. Step 5: Solve for x
    x = 405,156,189,248.16/727,276.29
  6. Step 6: Final answer
    x = 557,087.03

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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.