Home / 770,230.68-1,155,372.40-264,787.36

Finding the Fourth Proportional to 770,230.68, 1,155,372.40 and 264,787.36

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Solution

The fourth proportional to 770,230.68, 1,155,372.40 and 264,787.36 is: 397,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,230.68 : 1,155,372.40 = 264,787.36 : x
  2. Step 2: Convert to fraction form
    770,230.68/1,155,372.40 = 264,787.36/x
  3. Step 3: Cross multiply
    770,230.68x = 1,155,372.40 × 264,787.36
  4. Step 4: Simplify right side
    770,230.68x = 305,928,007,612.86
  5. Step 5: Solve for x
    x = 305,928,007,612.86/770,230.68
  6. Step 6: Final answer
    x = 397,190.11

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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.