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Finding the Fourth Proportional to 612,307.62, 844,994.57 and 336,677.04

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Solution

The fourth proportional to 612,307.62, 844,994.57 and 336,677.04 is: 464,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,307.62 : 844,994.57 = 336,677.04 : x
  2. Step 2: Convert to fraction form
    612,307.62/844,994.57 = 336,677.04/x
  3. Step 3: Cross multiply
    612,307.62x = 844,994.57 × 336,677.04
  4. Step 4: Simplify right side
    612,307.62x = 284,490,268,960.29
  5. Step 5: Solve for x
    x = 284,490,268,960.29/612,307.62
  6. Step 6: Final answer
    x = 464,619.84

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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.