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Finding the Fourth Proportional to 612,082.29, 844,606.47 and 353,920.17

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Solution

The fourth proportional to 612,082.29, 844,606.47 and 353,920.17 is: 488,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,082.29 : 844,606.47 = 353,920.17 : x
  2. Step 2: Convert to fraction form
    612,082.29/844,606.47 = 353,920.17/x
  3. Step 3: Cross multiply
    612,082.29x = 844,606.47 × 353,920.17
  4. Step 4: Simplify right side
    612,082.29x = 298,923,265,445.50
  5. Step 5: Solve for x
    x = 298,923,265,445.50/612,082.29
  6. Step 6: Final answer
    x = 488,371.04

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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.