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Finding the Fourth Proportional to 323,857.44, 482,566.68 and 288,525.60

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Solution

The fourth proportional to 323,857.44, 482,566.68 and 288,525.60 is: 429,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,857.44 : 482,566.68 = 288,525.60 : x
  2. Step 2: Convert to fraction form
    323,857.44/482,566.68 = 288,525.60/x
  3. Step 3: Cross multiply
    323,857.44x = 482,566.68 × 288,525.60
  4. Step 4: Simplify right side
    323,857.44x = 139,232,840,887.01
  5. Step 5: Solve for x
    x = 139,232,840,887.01/323,857.44
  6. Step 6: Final answer
    x = 429,920.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.