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Finding the Fourth Proportional to 482,504.08, 665,885.80 and 278,592.32

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Solution

The fourth proportional to 482,504.08, 665,885.80 and 278,592.32 is: 384,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,504.08 : 665,885.80 = 278,592.32 : x
  2. Step 2: Convert to fraction form
    482,504.08/665,885.80 = 278,592.32/x
  3. Step 3: Cross multiply
    482,504.08x = 665,885.80 × 278,592.32
  4. Step 4: Simplify right side
    482,504.08x = 185,510,669,877.06
  5. Step 5: Solve for x
    x = 185,510,669,877.06/482,504.08
  6. Step 6: Final answer
    x = 384,474.82

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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.