Home / 958,278-1,435,996.99-388,966.36

Finding the Fourth Proportional to 958,278, 1,435,996.99 and 388,966.36

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Solution

The fourth proportional to 958,278, 1,435,996.99 and 388,966.36 is: 582,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,278 : 1,435,996.99 = 388,966.36 : x
  2. Step 2: Convert to fraction form
    958,278/1,435,996.99 = 388,966.36/x
  3. Step 3: Cross multiply
    958,278x = 1,435,996.99 × 388,966.36
  4. Step 4: Simplify right side
    958,278x = 558,554,520,226.43
  5. Step 5: Solve for x
    x = 558,554,520,226.43/958,278
  6. Step 6: Final answer
    x = 582,873.15

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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.