Home / 770,834.04-1,155,963.78-265,253.64

Finding the Fourth Proportional to 770,834.04, 1,155,963.78 and 265,253.64

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Solution

The fourth proportional to 770,834.04, 1,155,963.78 and 265,253.64 is: 397,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,834.04 : 1,155,963.78 = 265,253.64 : x
  2. Step 2: Convert to fraction form
    770,834.04/1,155,963.78 = 265,253.64/x
  3. Step 3: Cross multiply
    770,834.04x = 1,155,963.78 × 265,253.64
  4. Step 4: Simplify right side
    770,834.04x = 306,623,600,353.16
  5. Step 5: Solve for x
    x = 306,623,600,353.16/770,834.04
  6. Step 6: Final answer
    x = 397,781.60

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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.