Home / 754,603.40-1,131,878.96-214,863.08

Finding the Fourth Proportional to 754,603.40, 1,131,878.96 and 214,863.08

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Solution

The fourth proportional to 754,603.40, 1,131,878.96 and 214,863.08 is: 322,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,603.40 : 1,131,878.96 = 214,863.08 : x
  2. Step 2: Convert to fraction form
    754,603.40/1,131,878.96 = 214,863.08/x
  3. Step 3: Cross multiply
    754,603.40x = 1,131,878.96 × 214,863.08
  4. Step 4: Simplify right side
    754,603.40x = 243,198,999,532.80
  5. Step 5: Solve for x
    x = 243,198,999,532.80/754,603.40
  6. Step 6: Final answer
    x = 322,287.18

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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.