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Finding the Fourth Proportional to 636,208.08, 955,575.04 and 380,533.20

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Solution

The fourth proportional to 636,208.08, 955,575.04 and 380,533.20 is: 571,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,208.08 : 955,575.04 = 380,533.20 : x
  2. Step 2: Convert to fraction form
    636,208.08/955,575.04 = 380,533.20/x
  3. Step 3: Cross multiply
    636,208.08x = 955,575.04 × 380,533.20
  4. Step 4: Simplify right side
    636,208.08x = 363,628,027,811.33
  5. Step 5: Solve for x
    x = 363,628,027,811.33/636,208.08
  6. Step 6: Final answer
    x = 571,555.19

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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.