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Finding the Fourth Proportional to 460,949, 636,109.64 and 259,752.20

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Solution

The fourth proportional to 460,949, 636,109.64 and 259,752.20 is: 358,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,949 : 636,109.64 = 259,752.20 : x
  2. Step 2: Convert to fraction form
    460,949/636,109.64 = 259,752.20/x
  3. Step 3: Cross multiply
    460,949x = 636,109.64 × 259,752.20
  4. Step 4: Simplify right side
    460,949x = 165,230,878,431.21
  5. Step 5: Solve for x
    x = 165,230,878,431.21/460,949
  6. Step 6: Final answer
    x = 358,458.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.