Home / 576,545.10-795,633.78-321,905.40

Finding the Fourth Proportional to 576,545.10, 795,633.78 and 321,905.40

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Solution

The fourth proportional to 576,545.10, 795,633.78 and 321,905.40 is: 444,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,545.10 : 795,633.78 = 321,905.40 : x
  2. Step 2: Convert to fraction form
    576,545.10/795,633.78 = 321,905.40/x
  3. Step 3: Cross multiply
    576,545.10x = 795,633.78 × 321,905.40
  4. Step 4: Simplify right side
    576,545.10x = 256,118,810,204.41
  5. Step 5: Solve for x
    x = 256,118,810,204.41/576,545.10
  6. Step 6: Final answer
    x = 444,230.31

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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.