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Finding the Fourth Proportional to 609,015.81, 838,516.15 and 536,367.32

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Solution

The fourth proportional to 609,015.81, 838,516.15 and 536,367.32 is: 738,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,015.81 : 838,516.15 = 536,367.32 : x
  2. Step 2: Convert to fraction form
    609,015.81/838,516.15 = 536,367.32/x
  3. Step 3: Cross multiply
    609,015.81x = 838,516.15 × 536,367.32
  4. Step 4: Simplify right side
    609,015.81x = 449,752,659,774.53
  5. Step 5: Solve for x
    x = 449,752,659,774.53/609,015.81
  6. Step 6: Final answer
    x = 738,490.94

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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.