Home / 741,777.40-1,112,669.88-315,203.32

Finding the Fourth Proportional to 741,777.40, 1,112,669.88 and 315,203.32

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Solution

The fourth proportional to 741,777.40, 1,112,669.88 and 315,203.32 is: 472,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,777.40 : 1,112,669.88 = 315,203.32 : x
  2. Step 2: Convert to fraction form
    741,777.40/1,112,669.88 = 315,203.32/x
  3. Step 3: Cross multiply
    741,777.40x = 1,112,669.88 × 315,203.32
  4. Step 4: Simplify right side
    741,777.40x = 350,717,240,240.00
  5. Step 5: Solve for x
    x = 350,717,240,240.00/741,777.40
  6. Step 6: Final answer
    x = 472,806.59

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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.