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Finding the Fourth Proportional to 660,733.44, 911,885.04 and 370,372.88

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Solution

The fourth proportional to 660,733.44, 911,885.04 and 370,372.88 is: 511,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,733.44 : 911,885.04 = 370,372.88 : x
  2. Step 2: Convert to fraction form
    660,733.44/911,885.04 = 370,372.88/x
  3. Step 3: Cross multiply
    660,733.44x = 911,885.04 × 370,372.88
  4. Step 4: Simplify right side
    660,733.44x = 337,737,488,493.72
  5. Step 5: Solve for x
    x = 337,737,488,493.72/660,733.44
  6. Step 6: Final answer
    x = 511,155.43

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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.