Home / 791,252.70-1,091,927.19-428,685.60

Finding the Fourth Proportional to 791,252.70, 1,091,927.19 and 428,685.60

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Solution

The fourth proportional to 791,252.70, 1,091,927.19 and 428,685.60 is: 591,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,252.70 : 1,091,927.19 = 428,685.60 : x
  2. Step 2: Convert to fraction form
    791,252.70/1,091,927.19 = 428,685.60/x
  3. Step 3: Cross multiply
    791,252.70x = 1,091,927.19 × 428,685.60
  4. Step 4: Simplify right side
    791,252.70x = 468,093,462,601.46
  5. Step 5: Solve for x
    x = 468,093,462,601.46/791,252.70
  6. Step 6: Final answer
    x = 591,585.30

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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.