Home / 558,525.52-770,784.42-303,886.36

Finding the Fourth Proportional to 558,525.52, 770,784.42 and 303,886.36

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Solution

The fourth proportional to 558,525.52, 770,784.42 and 303,886.36 is: 419,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,525.52 : 770,784.42 = 303,886.36 : x
  2. Step 2: Convert to fraction form
    558,525.52/770,784.42 = 303,886.36/x
  3. Step 3: Cross multiply
    558,525.52x = 770,784.42 × 303,886.36
  4. Step 4: Simplify right side
    558,525.52x = 234,230,871,738.51
  5. Step 5: Solve for x
    x = 234,230,871,738.51/558,525.52
  6. Step 6: Final answer
    x = 419,373.62

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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.