Home / 791,054.10-1,091,655-428,476.86

Finding the Fourth Proportional to 791,054.10, 1,091,655 and 428,476.86

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Solution

The fourth proportional to 791,054.10, 1,091,655 and 428,476.86 is: 591,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,054.10 : 1,091,655 = 428,476.86 : x
  2. Step 2: Convert to fraction form
    791,054.10/1,091,655 = 428,476.86/x
  3. Step 3: Cross multiply
    791,054.10x = 1,091,655 × 428,476.86
  4. Step 4: Simplify right side
    791,054.10x = 467,748,906,603.30
  5. Step 5: Solve for x
    x = 467,748,906,603.30/791,054.10
  6. Step 6: Final answer
    x = 591,298.25

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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.