Home / 791,265.65-1,091,944.94-428,699.25

Finding the Fourth Proportional to 791,265.65, 1,091,944.94 and 428,699.25

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Solution

The fourth proportional to 791,265.65, 1,091,944.94 and 428,699.25 is: 591,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,265.65 : 1,091,944.94 = 428,699.25 : x
  2. Step 2: Convert to fraction form
    791,265.65/1,091,944.94 = 428,699.25/x
  3. Step 3: Cross multiply
    791,265.65x = 1,091,944.94 × 428,699.25
  4. Step 4: Simplify right side
    791,265.65x = 468,115,974,675.80
  5. Step 5: Solve for x
    x = 468,115,974,675.80/791,265.65
  6. Step 6: Final answer
    x = 591,604.07

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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.