Home / 791,211.04-1,091,869.77-428,643.95

Finding the Fourth Proportional to 791,211.04, 1,091,869.77 and 428,643.95

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Solution

The fourth proportional to 791,211.04, 1,091,869.77 and 428,643.95 is: 591,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,211.04 : 1,091,869.77 = 428,643.95 : x
  2. Step 2: Convert to fraction form
    791,211.04/1,091,869.77 = 428,643.95/x
  3. Step 3: Cross multiply
    791,211.04x = 1,091,869.77 × 428,643.95
  4. Step 4: Simplify right side
    791,211.04x = 468,023,373,388.23
  5. Step 5: Solve for x
    x = 468,023,373,388.23/791,211.04
  6. Step 6: Final answer
    x = 591,527.86

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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.