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Finding the Fourth Proportional to 576,316.53, 795,284.46 and 321,684.12

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Solution

The fourth proportional to 576,316.53, 795,284.46 and 321,684.12 is: 443,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,316.53 : 795,284.46 = 321,684.12 : x
  2. Step 2: Convert to fraction form
    576,316.53/795,284.46 = 321,684.12/x
  3. Step 3: Cross multiply
    576,316.53x = 795,284.46 × 321,684.12
  4. Step 4: Simplify right side
    576,316.53x = 255,830,381,664.78
  5. Step 5: Solve for x
    x = 255,830,381,664.78/576,316.53
  6. Step 6: Final answer
    x = 443,906.03

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1.5x scale

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.