Home / 717,252.88-1,076,040.60-218,667.28

Finding the Fourth Proportional to 717,252.88, 1,076,040.60 and 218,667.28

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Solution

The fourth proportional to 717,252.88, 1,076,040.60 and 218,667.28 is: 328,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,252.88 : 1,076,040.60 = 218,667.28 : x
  2. Step 2: Convert to fraction form
    717,252.88/1,076,040.60 = 218,667.28/x
  3. Step 3: Cross multiply
    717,252.88x = 1,076,040.60 × 218,667.28
  4. Step 4: Simplify right side
    717,252.88x = 235,294,871,171.57
  5. Step 5: Solve for x
    x = 235,294,871,171.57/717,252.88
  6. Step 6: Final answer
    x = 328,050.09

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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.