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Finding the Fourth Proportional to 579,710.66, 869,625.64 and 200,630.73

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Solution

The fourth proportional to 579,710.66, 869,625.64 and 200,630.73 is: 300,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,710.66 : 869,625.64 = 200,630.73 : x
  2. Step 2: Convert to fraction form
    579,710.66/869,625.64 = 200,630.73/x
  3. Step 3: Cross multiply
    579,710.66x = 869,625.64 × 200,630.73
  4. Step 4: Simplify right side
    579,710.66x = 174,473,627,481.49
  5. Step 5: Solve for x
    x = 174,473,627,481.49/579,710.66
  6. Step 6: Final answer
    x = 300,966.74

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Double scale
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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.