Home / 727,645.14-1,089,452.43-371,893.14

Finding the Fourth Proportional to 727,645.14, 1,089,452.43 and 371,893.14

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Solution

The fourth proportional to 727,645.14, 1,089,452.43 and 371,893.14 is: 556,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,645.14 : 1,089,452.43 = 371,893.14 : x
  2. Step 2: Convert to fraction form
    727,645.14/1,089,452.43 = 371,893.14/x
  3. Step 3: Cross multiply
    727,645.14x = 1,089,452.43 × 371,893.14
  4. Step 4: Simplify right side
    727,645.14x = 405,159,885,073.33
  5. Step 5: Solve for x
    x = 405,159,885,073.33/727,645.14
  6. Step 6: Final answer
    x = 556,809.72

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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.