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Finding the Fourth Proportional to 727,854.04, 1,091,781.06 and 284,311

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Solution

The fourth proportional to 727,854.04, 1,091,781.06 and 284,311 is: 426,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,854.04 : 1,091,781.06 = 284,311 : x
  2. Step 2: Convert to fraction form
    727,854.04/1,091,781.06 = 284,311/x
  3. Step 3: Cross multiply
    727,854.04x = 1,091,781.06 × 284,311
  4. Step 4: Simplify right side
    727,854.04x = 310,405,364,949.66
  5. Step 5: Solve for x
    x = 310,405,364,949.66/727,854.04
  6. Step 6: Final answer
    x = 426,466.50

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Similar ratio
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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.