Home / 770,769.04-1,155,866.28-265,188.64

Finding the Fourth Proportional to 770,769.04, 1,155,866.28 and 265,188.64

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Solution

The fourth proportional to 770,769.04, 1,155,866.28 and 265,188.64 is: 397,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,769.04 : 1,155,866.28 = 265,188.64 : x
  2. Step 2: Convert to fraction form
    770,769.04/1,155,866.28 = 265,188.64/x
  3. Step 3: Cross multiply
    770,769.04x = 1,155,866.28 × 265,188.64
  4. Step 4: Simplify right side
    770,769.04x = 306,522,606,815.06
  5. Step 5: Solve for x
    x = 306,522,606,815.06/770,769.04
  6. Step 6: Final answer
    x = 397,684.12

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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.