Home / 788,488.67-1,088,114.20-425,912.54

Finding the Fourth Proportional to 788,488.67, 1,088,114.20 and 425,912.54

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Solution

The fourth proportional to 788,488.67, 1,088,114.20 and 425,912.54 is: 587,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,488.67 : 1,088,114.20 = 425,912.54 : x
  2. Step 2: Convert to fraction form
    788,488.67/1,088,114.20 = 425,912.54/x
  3. Step 3: Cross multiply
    788,488.67x = 1,088,114.20 × 425,912.54
  4. Step 4: Simplify right side
    788,488.67x = 463,441,475,161.93
  5. Step 5: Solve for x
    x = 463,441,475,161.93/788,488.67
  6. Step 6: Final answer
    x = 587,759.21

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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.