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Finding the Fourth Proportional to 636,929.28, 955,184.64 and 281,935.68

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Solution

The fourth proportional to 636,929.28, 955,184.64 and 281,935.68 is: 422,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,929.28 : 955,184.64 = 281,935.68 : x
  2. Step 2: Convert to fraction form
    636,929.28/955,184.64 = 281,935.68/x
  3. Step 3: Cross multiply
    636,929.28x = 955,184.64 × 281,935.68
  4. Step 4: Simplify right side
    636,929.28x = 269,300,631,003.96
  5. Step 5: Solve for x
    x = 269,300,631,003.96/636,929.28
  6. Step 6: Final answer
    x = 422,810.88

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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.