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Finding the Fourth Proportional to 424,630.08, 636,346.08 and 330,719.04

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Solution

The fourth proportional to 424,630.08, 636,346.08 and 330,719.04 is: 495,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,630.08 : 636,346.08 = 330,719.04 : x
  2. Step 2: Convert to fraction form
    424,630.08/636,346.08 = 330,719.04/x
  3. Step 3: Cross multiply
    424,630.08x = 636,346.08 × 330,719.04
  4. Step 4: Simplify right side
    424,630.08x = 210,451,764,685.36
  5. Step 5: Solve for x
    x = 210,451,764,685.36/424,630.08
  6. Step 6: Final answer
    x = 495,612.00

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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.