Home / 770,509.33-1,155,961.17-450,930.31

Finding the Fourth Proportional to 770,509.33, 1,155,961.17 and 450,930.31

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Solution

The fourth proportional to 770,509.33, 1,155,961.17 and 450,930.31 is: 676,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,509.33 : 1,155,961.17 = 450,930.31 : x
  2. Step 2: Convert to fraction form
    770,509.33/1,155,961.17 = 450,930.31/x
  3. Step 3: Cross multiply
    770,509.33x = 1,155,961.17 × 450,930.31
  4. Step 4: Simplify right side
    770,509.33x = 521,257,928,736.06
  5. Step 5: Solve for x
    x = 521,257,928,736.06/770,509.33
  6. Step 6: Final answer
    x = 676,510.86

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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.