Home / 791,136.48-1,091,773.62-428,560.38

Finding the Fourth Proportional to 791,136.48, 1,091,773.62 and 428,560.38

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Solution

The fourth proportional to 791,136.48, 1,091,773.62 and 428,560.38 is: 591,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,136.48 : 1,091,773.62 = 428,560.38 : x
  2. Step 2: Convert to fraction form
    791,136.48/1,091,773.62 = 428,560.38/x
  3. Step 3: Cross multiply
    791,136.48x = 1,091,773.62 × 428,560.38
  4. Step 4: Simplify right side
    791,136.48x = 467,890,917,461.18
  5. Step 5: Solve for x
    x = 467,890,917,461.18/791,136.48
  6. Step 6: Final answer
    x = 591,416.18

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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.