Home / 766,428.82-1,057,672.04-444,325.63

Finding the Fourth Proportional to 766,428.82, 1,057,672.04 and 444,325.63

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Solution

The fourth proportional to 766,428.82, 1,057,672.04 and 444,325.63 is: 613,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,428.82 : 1,057,672.04 = 444,325.63 : x
  2. Step 2: Convert to fraction form
    766,428.82/1,057,672.04 = 444,325.63/x
  3. Step 3: Cross multiply
    766,428.82x = 1,057,672.04 × 444,325.63
  4. Step 4: Simplify right side
    766,428.82x = 469,950,795,506.39
  5. Step 5: Solve for x
    x = 469,950,795,506.39/766,428.82
  6. Step 6: Final answer
    x = 613,169.53

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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.