Home / 791,273.48-1,091,955.94-428,706.34

Finding the Fourth Proportional to 791,273.48, 1,091,955.94 and 428,706.34

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Solution

The fourth proportional to 791,273.48, 1,091,955.94 and 428,706.34 is: 591,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,273.48 : 1,091,955.94 = 428,706.34 : x
  2. Step 2: Convert to fraction form
    791,273.48/1,091,955.94 = 428,706.34/x
  3. Step 3: Cross multiply
    791,273.48x = 1,091,955.94 × 428,706.34
  4. Step 4: Simplify right side
    791,273.48x = 468,128,430,677.00
  5. Step 5: Solve for x
    x = 468,128,430,677.00/791,273.48
  6. Step 6: Final answer
    x = 591,613.96

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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.