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Finding the Fourth Proportional to 644,996.28, 967,494.42 and 533,955

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Solution

The fourth proportional to 644,996.28, 967,494.42 and 533,955 is: 800,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,996.28 : 967,494.42 = 533,955 : x
  2. Step 2: Convert to fraction form
    644,996.28/967,494.42 = 533,955/x
  3. Step 3: Cross multiply
    644,996.28x = 967,494.42 × 533,955
  4. Step 4: Simplify right side
    644,996.28x = 516,598,483,031.10
  5. Step 5: Solve for x
    x = 516,598,483,031.10/644,996.28
  6. Step 6: Final answer
    x = 800,932.50

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Double scale
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Similar ratio
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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.