Home / 829,785.40-1,244,217.30-330,585.40

Finding the Fourth Proportional to 829,785.40, 1,244,217.30 and 330,585.40

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Solution

The fourth proportional to 829,785.40, 1,244,217.30 and 330,585.40 is: 495,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,785.40 : 1,244,217.30 = 330,585.40 : x
  2. Step 2: Convert to fraction form
    829,785.40/1,244,217.30 = 330,585.40/x
  3. Step 3: Cross multiply
    829,785.40x = 1,244,217.30 × 330,585.40
  4. Step 4: Simplify right side
    829,785.40x = 411,320,073,807.42
  5. Step 5: Solve for x
    x = 411,320,073,807.42/829,785.40
  6. Step 6: Final answer
    x = 495,694.52

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Double scale
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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.