Home / 791,460.85-1,092,216.90-428,881.54

Finding the Fourth Proportional to 791,460.85, 1,092,216.90 and 428,881.54

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Solution

The fourth proportional to 791,460.85, 1,092,216.90 and 428,881.54 is: 591,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,460.85 : 1,092,216.90 = 428,881.54 : x
  2. Step 2: Convert to fraction form
    791,460.85/1,092,216.90 = 428,881.54/x
  3. Step 3: Cross multiply
    791,460.85x = 1,092,216.90 × 428,881.54
  4. Step 4: Simplify right side
    791,460.85x = 468,431,658,480.53
  5. Step 5: Solve for x
    x = 468,431,658,480.53/791,460.85
  6. Step 6: Final answer
    x = 591,857.02

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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.