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Finding the Fourth Proportional to 452,984.81, 679,331.61 and 200,259.54

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Solution

The fourth proportional to 452,984.81, 679,331.61 and 200,259.54 is: 300,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,984.81 : 679,331.61 = 200,259.54 : x
  2. Step 2: Convert to fraction form
    452,984.81/679,331.61 = 200,259.54/x
  3. Step 3: Cross multiply
    452,984.81x = 679,331.61 × 200,259.54
  4. Step 4: Simplify right side
    452,984.81x = 136,042,635,726.06
  5. Step 5: Solve for x
    x = 136,042,635,726.06/452,984.81
  6. Step 6: Final answer
    x = 300,324.94

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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.