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Finding the Fourth Proportional to 636,660.16, 955,260.32 and 299,693.36

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Solution

The fourth proportional to 636,660.16, 955,260.32 and 299,693.36 is: 449,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,660.16 : 955,260.32 = 299,693.36 : x
  2. Step 2: Convert to fraction form
    636,660.16/955,260.32 = 299,693.36/x
  3. Step 3: Cross multiply
    636,660.16x = 955,260.32 × 299,693.36
  4. Step 4: Simplify right side
    636,660.16x = 286,285,175,865.16
  5. Step 5: Solve for x
    x = 286,285,175,865.16/636,660.16
  6. Step 6: Final answer
    x = 449,667.18

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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.