Home / 756,108.40-1,132,850.40-638,010.40

Finding the Fourth Proportional to 756,108.40, 1,132,850.40 and 638,010.40

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Solution

The fourth proportional to 756,108.40, 1,132,850.40 and 638,010.40 is: 955,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,108.40 : 1,132,850.40 = 638,010.40 : x
  2. Step 2: Convert to fraction form
    756,108.40/1,132,850.40 = 638,010.40/x
  3. Step 3: Cross multiply
    756,108.40x = 1,132,850.40 × 638,010.40
  4. Step 4: Simplify right side
    756,108.40x = 722,770,336,844.16
  5. Step 5: Solve for x
    x = 722,770,336,844.16/756,108.40
  6. Step 6: Final answer
    x = 955,908.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.