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Finding the Fourth Proportional to 576,838.40, 865,257.60 and 377,772.80

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Solution

The fourth proportional to 576,838.40, 865,257.60 and 377,772.80 is: 566,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,838.40 : 865,257.60 = 377,772.80 : x
  2. Step 2: Convert to fraction form
    576,838.40/865,257.60 = 377,772.80/x
  3. Step 3: Cross multiply
    576,838.40x = 865,257.60 × 377,772.80
  4. Step 4: Simplify right side
    576,838.40x = 326,870,786,273.28
  5. Step 5: Solve for x
    x = 326,870,786,273.28/576,838.40
  6. Step 6: Final answer
    x = 566,659.20

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Similar ratio
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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.