Home / 770,934.51-1,155,736.62-371,025.09

Finding the Fourth Proportional to 770,934.51, 1,155,736.62 and 371,025.09

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Solution

The fourth proportional to 770,934.51, 1,155,736.62 and 371,025.09 is: 556,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,934.51 : 1,155,736.62 = 371,025.09 : x
  2. Step 2: Convert to fraction form
    770,934.51/1,155,736.62 = 371,025.09/x
  3. Step 3: Cross multiply
    770,934.51x = 1,155,736.62 × 371,025.09
  4. Step 4: Simplify right side
    770,934.51x = 428,807,283,451.80
  5. Step 5: Solve for x
    x = 428,807,283,451.80/770,934.51
  6. Step 6: Final answer
    x = 556,217.52

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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.