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Finding the Fourth Proportional to 636,005.10, 954,007.65 and 384,062.70

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Solution

The fourth proportional to 636,005.10, 954,007.65 and 384,062.70 is: 576,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,005.10 : 954,007.65 = 384,062.70 : x
  2. Step 2: Convert to fraction form
    636,005.10/954,007.65 = 384,062.70/x
  3. Step 3: Cross multiply
    636,005.10x = 954,007.65 × 384,062.70
  4. Step 4: Simplify right side
    636,005.10x = 366,398,753,879.66
  5. Step 5: Solve for x
    x = 366,398,753,879.66/636,005.10
  6. Step 6: Final answer
    x = 576,094.05

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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.