Home / 845,261.90-1,267,971.04-305,652.86

Finding the Fourth Proportional to 845,261.90, 1,267,971.04 and 305,652.86

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Solution

The fourth proportional to 845,261.90, 1,267,971.04 and 305,652.86 is: 458,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,261.90 : 1,267,971.04 = 305,652.86 : x
  2. Step 2: Convert to fraction form
    845,261.90/1,267,971.04 = 305,652.86/x
  3. Step 3: Cross multiply
    845,261.90x = 1,267,971.04 × 305,652.86
  4. Step 4: Simplify right side
    845,261.90x = 387,558,974,773.17
  5. Step 5: Solve for x
    x = 387,558,974,773.17/845,261.90
  6. Step 6: Final answer
    x = 458,507.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.