Home / 722,609.18-1,083,684.01-675,435.50

Finding the Fourth Proportional to 722,609.18, 1,083,684.01 and 675,435.50

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Solution

The fourth proportional to 722,609.18, 1,083,684.01 and 675,435.50 is: 1,012,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,609.18 : 1,083,684.01 = 675,435.50 : x
  2. Step 2: Convert to fraction form
    722,609.18/1,083,684.01 = 675,435.50/x
  3. Step 3: Cross multiply
    722,609.18x = 1,083,684.01 × 675,435.50
  4. Step 4: Simplify right side
    722,609.18x = 731,958,651,136.36
  5. Step 5: Solve for x
    x = 731,958,651,136.36/722,609.18
  6. Step 6: Final answer
    x = 1,012,938.49

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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.