Home / 770,823.54-1,155,948.03-265,243.14

Finding the Fourth Proportional to 770,823.54, 1,155,948.03 and 265,243.14

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Solution

The fourth proportional to 770,823.54, 1,155,948.03 and 265,243.14 is: 397,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,823.54 : 1,155,948.03 = 265,243.14 : x
  2. Step 2: Convert to fraction form
    770,823.54/1,155,948.03 = 265,243.14/x
  3. Step 3: Cross multiply
    770,823.54x = 1,155,948.03 × 265,243.14
  4. Step 4: Simplify right side
    770,823.54x = 306,607,285,154.01
  5. Step 5: Solve for x
    x = 306,607,285,154.01/770,823.54
  6. Step 6: Final answer
    x = 397,765.86

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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.