Home / 785,014.11-1,083,315.36-440,864.54

Finding the Fourth Proportional to 785,014.11, 1,083,315.36 and 440,864.54

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Solution

The fourth proportional to 785,014.11, 1,083,315.36 and 440,864.54 is: 608,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,014.11 : 1,083,315.36 = 440,864.54 : x
  2. Step 2: Convert to fraction form
    785,014.11/1,083,315.36 = 440,864.54/x
  3. Step 3: Cross multiply
    785,014.11x = 1,083,315.36 × 440,864.54
  4. Step 4: Simplify right side
    785,014.11x = 477,595,327,861.33
  5. Step 5: Solve for x
    x = 477,595,327,861.33/785,014.11
  6. Step 6: Final answer
    x = 608,390.76

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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.