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Finding the Fourth Proportional to 536,479.80, 804,719.70 and 336,940.35

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Solution

The fourth proportional to 536,479.80, 804,719.70 and 336,940.35 is: 505,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,479.80 : 804,719.70 = 336,940.35 : x
  2. Step 2: Convert to fraction form
    536,479.80/804,719.70 = 336,940.35/x
  3. Step 3: Cross multiply
    536,479.80x = 804,719.70 × 336,940.35
  4. Step 4: Simplify right side
    536,479.80x = 271,142,537,369.90
  5. Step 5: Solve for x
    x = 271,142,537,369.90/536,479.80
  6. Step 6: Final answer
    x = 505,410.53

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1.5x scale

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.