Home / 781,224.42-1,078,118.73-441,672.42

Finding the Fourth Proportional to 781,224.42, 1,078,118.73 and 441,672.42

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Solution

The fourth proportional to 781,224.42, 1,078,118.73 and 441,672.42 is: 609,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,224.42 : 1,078,118.73 = 441,672.42 : x
  2. Step 2: Convert to fraction form
    781,224.42/1,078,118.73 = 441,672.42/x
  3. Step 3: Cross multiply
    781,224.42x = 1,078,118.73 × 441,672.42
  4. Step 4: Simplify right side
    781,224.42x = 476,175,308,526.43
  5. Step 5: Solve for x
    x = 476,175,308,526.43/781,224.42
  6. Step 6: Final answer
    x = 609,524.35

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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.