Home / 770,515.83-1,155,970.91-450,936.81

Finding the Fourth Proportional to 770,515.83, 1,155,970.91 and 450,936.81

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Solution

The fourth proportional to 770,515.83, 1,155,970.91 and 450,936.81 is: 676,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,515.83 : 1,155,970.91 = 450,936.81 : x
  2. Step 2: Convert to fraction form
    770,515.83/1,155,970.91 = 450,936.81/x
  3. Step 3: Cross multiply
    770,515.83x = 1,155,970.91 × 450,936.81
  4. Step 4: Simplify right side
    770,515.83x = 521,269,835,735.54
  5. Step 5: Solve for x
    x = 521,269,835,735.54/770,515.83
  6. Step 6: Final answer
    x = 676,520.61

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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.