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Finding the Fourth Proportional to 617,813.94, 926,797.23 and 218,372.34

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Solution

The fourth proportional to 617,813.94, 926,797.23 and 218,372.34 is: 327,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,813.94 : 926,797.23 = 218,372.34 : x
  2. Step 2: Convert to fraction form
    617,813.94/926,797.23 = 218,372.34/x
  3. Step 3: Cross multiply
    617,813.94x = 926,797.23 × 218,372.34
  4. Step 4: Simplify right side
    617,813.94x = 202,386,879,820.62
  5. Step 5: Solve for x
    x = 202,386,879,820.62/617,813.94
  6. Step 6: Final answer
    x = 327,585.49

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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.