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Finding the Fourth Proportional to 501,884.38, 752,364.51 and 217,396.18

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Solution

The fourth proportional to 501,884.38, 752,364.51 and 217,396.18 is: 325,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,884.38 : 752,364.51 = 217,396.18 : x
  2. Step 2: Convert to fraction form
    501,884.38/752,364.51 = 217,396.18/x
  3. Step 3: Cross multiply
    501,884.38x = 752,364.51 × 217,396.18
  4. Step 4: Simplify right side
    501,884.38x = 163,561,170,441.57
  5. Step 5: Solve for x
    x = 163,561,170,441.57/501,884.38
  6. Step 6: Final answer
    x = 325,894.12

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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.