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Finding the Fourth Proportional to 576,014.40, 863,762.40 and 220,910.40

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Solution

The fourth proportional to 576,014.40, 863,762.40 and 220,910.40 is: 331,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,014.40 : 863,762.40 = 220,910.40 : x
  2. Step 2: Convert to fraction form
    576,014.40/863,762.40 = 220,910.40/x
  3. Step 3: Cross multiply
    576,014.40x = 863,762.40 × 220,910.40
  4. Step 4: Simplify right side
    576,014.40x = 190,814,097,288.96
  5. Step 5: Solve for x
    x = 190,814,097,288.96/576,014.40
  6. Step 6: Final answer
    x = 331,266.19

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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.