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Finding the Fourth Proportional to 576,480.76, 865,245.87 and 306,835.27

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Solution

The fourth proportional to 576,480.76, 865,245.87 and 306,835.27 is: 460,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,480.76 : 865,245.87 = 306,835.27 : x
  2. Step 2: Convert to fraction form
    576,480.76/865,245.87 = 306,835.27/x
  3. Step 3: Cross multiply
    576,480.76x = 865,245.87 × 306,835.27
  4. Step 4: Simplify right side
    576,480.76x = 265,487,950,137.84
  5. Step 5: Solve for x
    x = 265,487,950,137.84/576,480.76
  6. Step 6: Final answer
    x = 460,532.20

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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.