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Finding the Fourth Proportional to 333,558.80, 460,380.64 and 306,658.70

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Solution

The fourth proportional to 333,558.80, 460,380.64 and 306,658.70 is: 423,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,558.80 : 460,380.64 = 306,658.70 : x
  2. Step 2: Convert to fraction form
    333,558.80/460,380.64 = 306,658.70/x
  3. Step 3: Cross multiply
    333,558.80x = 460,380.64 × 306,658.70
  4. Step 4: Simplify right side
    333,558.80x = 141,179,728,567.57
  5. Step 5: Solve for x
    x = 141,179,728,567.57/333,558.80
  6. Step 6: Final answer
    x = 423,252.90

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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.