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Finding the Fourth Proportional to 535,490.19, 802,141.79 and 298,958.85

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Solution

The fourth proportional to 535,490.19, 802,141.79 and 298,958.85 is: 447,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,490.19 : 802,141.79 = 298,958.85 : x
  2. Step 2: Convert to fraction form
    535,490.19/802,141.79 = 298,958.85/x
  3. Step 3: Cross multiply
    535,490.19x = 802,141.79 × 298,958.85
  4. Step 4: Simplify right side
    535,490.19x = 239,807,385,580.55
  5. Step 5: Solve for x
    x = 239,807,385,580.55/535,490.19
  6. Step 6: Final answer
    x = 447,827.78

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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.