Home / 770,637.56-1,155,669.56-265,056.60

Finding the Fourth Proportional to 770,637.56, 1,155,669.56 and 265,056.60

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Solution

The fourth proportional to 770,637.56, 1,155,669.56 and 265,056.60 is: 397,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,637.56 : 1,155,669.56 = 265,056.60 : x
  2. Step 2: Convert to fraction form
    770,637.56/1,155,669.56 = 265,056.60/x
  3. Step 3: Cross multiply
    770,637.56x = 1,155,669.56 × 265,056.60
  4. Step 4: Simplify right side
    770,637.56x = 306,317,844,297.10
  5. Step 5: Solve for x
    x = 306,317,844,297.10/770,637.56
  6. Step 6: Final answer
    x = 397,486.26

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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.