Home / 920,755.11-1,270,705.88-558,194.25

Finding the Fourth Proportional to 920,755.11, 1,270,705.88 and 558,194.25

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Solution

The fourth proportional to 920,755.11, 1,270,705.88 and 558,194.25 is: 770,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,755.11 : 1,270,705.88 = 558,194.25 : x
  2. Step 2: Convert to fraction form
    920,755.11/1,270,705.88 = 558,194.25/x
  3. Step 3: Cross multiply
    920,755.11x = 1,270,705.88 × 558,194.25
  4. Step 4: Simplify right side
    920,755.11x = 709,300,717,052.68
  5. Step 5: Solve for x
    x = 709,300,717,052.68/920,755.11
  6. Step 6: Final answer
    x = 770,346.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.