Home / 769,427.90-1,061,865.47-425,256.42

Finding the Fourth Proportional to 769,427.90, 1,061,865.47 and 425,256.42

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Solution

The fourth proportional to 769,427.90, 1,061,865.47 and 425,256.42 is: 586,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,427.90 : 1,061,865.47 = 425,256.42 : x
  2. Step 2: Convert to fraction form
    769,427.90/1,061,865.47 = 425,256.42/x
  3. Step 3: Cross multiply
    769,427.90x = 1,061,865.47 × 425,256.42
  4. Step 4: Simplify right side
    769,427.90x = 451,565,109,356.96
  5. Step 5: Solve for x
    x = 451,565,109,356.96/769,427.90
  6. Step 6: Final answer
    x = 586,884.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.