Home / 788,239.44-1,087,380.72-465,793.56

Finding the Fourth Proportional to 788,239.44, 1,087,380.72 and 465,793.56

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Solution

The fourth proportional to 788,239.44, 1,087,380.72 and 465,793.56 is: 642,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,239.44 : 1,087,380.72 = 465,793.56 : x
  2. Step 2: Convert to fraction form
    788,239.44/1,087,380.72 = 465,793.56/x
  3. Step 3: Cross multiply
    788,239.44x = 1,087,380.72 × 465,793.56
  4. Step 4: Simplify right side
    788,239.44x = 506,494,936,644.16
  5. Step 5: Solve for x
    x = 506,494,936,644.16/788,239.44
  6. Step 6: Final answer
    x = 642,564.82

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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.