Home / 791,008.14-1,091,582.55-428,422.98

Finding the Fourth Proportional to 791,008.14, 1,091,582.55 and 428,422.98

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Solution

The fourth proportional to 791,008.14, 1,091,582.55 and 428,422.98 is: 591,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,008.14 : 1,091,582.55 = 428,422.98 : x
  2. Step 2: Convert to fraction form
    791,008.14/1,091,582.55 = 428,422.98/x
  3. Step 3: Cross multiply
    791,008.14x = 1,091,582.55 × 428,422.98
  4. Step 4: Simplify right side
    791,008.14x = 467,659,048,987.00
  5. Step 5: Solve for x
    x = 467,659,048,987.00/791,008.14
  6. Step 6: Final answer
    x = 591,219.01

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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.