Home / 802,865.60-1,204,298.40-329,890.40

Finding the Fourth Proportional to 802,865.60, 1,204,298.40 and 329,890.40

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Solution

The fourth proportional to 802,865.60, 1,204,298.40 and 329,890.40 is: 494,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,865.60 : 1,204,298.40 = 329,890.40 : x
  2. Step 2: Convert to fraction form
    802,865.60/1,204,298.40 = 329,890.40/x
  3. Step 3: Cross multiply
    802,865.60x = 1,204,298.40 × 329,890.40
  4. Step 4: Simplify right side
    802,865.60x = 397,286,480,895.36
  5. Step 5: Solve for x
    x = 397,286,480,895.36/802,865.60
  6. Step 6: Final answer
    x = 494,835.60

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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.