Home / 655,575.28-983,515.04-206,284.47

Finding the Fourth Proportional to 655,575.28, 983,515.04 and 206,284.47

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Solution

The fourth proportional to 655,575.28, 983,515.04 and 206,284.47 is: 309,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,575.28 : 983,515.04 = 206,284.47 : x
  2. Step 2: Convert to fraction form
    655,575.28/983,515.04 = 206,284.47/x
  3. Step 3: Cross multiply
    655,575.28x = 983,515.04 × 206,284.47
  4. Step 4: Simplify right side
    655,575.28x = 202,883,881,012.23
  5. Step 5: Solve for x
    x = 202,883,881,012.23/655,575.28
  6. Step 6: Final answer
    x = 309,474.57

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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.