Home / 774,022.88-1,068,147.44-425,170.16

Finding the Fourth Proportional to 774,022.88, 1,068,147.44 and 425,170.16

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Solution

The fourth proportional to 774,022.88, 1,068,147.44 and 425,170.16 is: 586,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,022.88 : 1,068,147.44 = 425,170.16 : x
  2. Step 2: Convert to fraction form
    774,022.88/1,068,147.44 = 425,170.16/x
  3. Step 3: Cross multiply
    774,022.88x = 1,068,147.44 × 425,170.16
  4. Step 4: Simplify right side
    774,022.88x = 454,144,413,690.58
  5. Step 5: Solve for x
    x = 454,144,413,690.58/774,022.88
  6. Step 6: Final answer
    x = 586,732.55

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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.