Home / 718,682.64-1,076,252.40-451,781.16

Finding the Fourth Proportional to 718,682.64, 1,076,252.40 and 451,781.16

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Solution

The fourth proportional to 718,682.64, 1,076,252.40 and 451,781.16 is: 676,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,682.64 : 1,076,252.40 = 451,781.16 : x
  2. Step 2: Convert to fraction form
    718,682.64/1,076,252.40 = 451,781.16/x
  3. Step 3: Cross multiply
    718,682.64x = 1,076,252.40 × 451,781.16
  4. Step 4: Simplify right side
    718,682.64x = 486,230,557,724.78
  5. Step 5: Solve for x
    x = 486,230,557,724.78/718,682.64
  6. Step 6: Final answer
    x = 676,558.09

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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.