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Finding the Fourth Proportional to 535,480.65, 802,794.74 and 265,418.73

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Solution

The fourth proportional to 535,480.65, 802,794.74 and 265,418.73 is: 397,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,480.65 : 802,794.74 = 265,418.73 : x
  2. Step 2: Convert to fraction form
    535,480.65/802,794.74 = 265,418.73/x
  3. Step 3: Cross multiply
    535,480.65x = 802,794.74 × 265,418.73
  4. Step 4: Simplify right side
    535,480.65x = 213,076,759,014.39
  5. Step 5: Solve for x
    x = 213,076,759,014.39/535,480.65
  6. Step 6: Final answer
    x = 397,916.82

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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.