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Finding the Fourth Proportional to 504,618.13, 696,378.23 and 278,271.73

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Solution

The fourth proportional to 504,618.13, 696,378.23 and 278,271.73 is: 384,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,618.13 : 696,378.23 = 278,271.73 : x
  2. Step 2: Convert to fraction form
    504,618.13/696,378.23 = 278,271.73/x
  3. Step 3: Cross multiply
    504,618.13x = 696,378.23 × 278,271.73
  4. Step 4: Simplify right side
    504,618.13x = 193,782,374,796.44
  5. Step 5: Solve for x
    x = 193,782,374,796.44/504,618.13
  6. Step 6: Final answer
    x = 384,017.86

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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.