Home / 791,053.70-1,091,654.31-428,476.43

Finding the Fourth Proportional to 791,053.70, 1,091,654.31 and 428,476.43

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Solution

The fourth proportional to 791,053.70, 1,091,654.31 and 428,476.43 is: 591,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,053.70 : 1,091,654.31 = 428,476.43 : x
  2. Step 2: Convert to fraction form
    791,053.70/1,091,654.31 = 428,476.43/x
  3. Step 3: Cross multiply
    791,053.70x = 1,091,654.31 × 428,476.43
  4. Step 4: Simplify right side
    791,053.70x = 467,748,145,878.84
  5. Step 5: Solve for x
    x = 467,748,145,878.84/791,053.70
  6. Step 6: Final answer
    x = 591,297.59

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1.5x scale

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.