Home / 791,270.73-1,091,952.13-428,703.60

Finding the Fourth Proportional to 791,270.73, 1,091,952.13 and 428,703.60

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Solution

The fourth proportional to 791,270.73, 1,091,952.13 and 428,703.60 is: 591,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,270.73 : 1,091,952.13 = 428,703.60 : x
  2. Step 2: Convert to fraction form
    791,270.73/1,091,952.13 = 428,703.60/x
  3. Step 3: Cross multiply
    791,270.73x = 1,091,952.13 × 428,703.60
  4. Step 4: Simplify right side
    791,270.73x = 468,123,809,158.67
  5. Step 5: Solve for x
    x = 468,123,809,158.67/791,270.73
  6. Step 6: Final answer
    x = 591,610.17

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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.