Home / 845,261.21-1,267,224.77-418,943.84

Finding the Fourth Proportional to 845,261.21, 1,267,224.77 and 418,943.84

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Solution

The fourth proportional to 845,261.21, 1,267,224.77 and 418,943.84 is: 628,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,261.21 : 1,267,224.77 = 418,943.84 : x
  2. Step 2: Convert to fraction form
    845,261.21/1,267,224.77 = 418,943.84/x
  3. Step 3: Cross multiply
    845,261.21x = 1,267,224.77 × 418,943.84
  4. Step 4: Simplify right side
    845,261.21x = 530,896,002,856.07
  5. Step 5: Solve for x
    x = 530,896,002,856.07/845,261.21
  6. Step 6: Final answer
    x = 628,085.14

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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.