Home / 655,860.06-981,568.08-403,300.53

Finding the Fourth Proportional to 655,860.06, 981,568.08 and 403,300.53

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Solution

The fourth proportional to 655,860.06, 981,568.08 and 403,300.53 is: 603,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,860.06 : 981,568.08 = 403,300.53 : x
  2. Step 2: Convert to fraction form
    655,860.06/981,568.08 = 403,300.53/x
  3. Step 3: Cross multiply
    655,860.06x = 981,568.08 × 403,300.53
  4. Step 4: Simplify right side
    655,860.06x = 395,866,926,895.08
  5. Step 5: Solve for x
    x = 395,866,926,895.08/655,860.06
  6. Step 6: Final answer
    x = 603,584.44

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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.