Home / 785,504.12-1,177,157.88-424,896.57

Finding the Fourth Proportional to 785,504.12, 1,177,157.88 and 424,896.57

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Solution

The fourth proportional to 785,504.12, 1,177,157.88 and 424,896.57 is: 636,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,504.12 : 1,177,157.88 = 424,896.57 : x
  2. Step 2: Convert to fraction form
    785,504.12/1,177,157.88 = 424,896.57/x
  3. Step 3: Cross multiply
    785,504.12x = 1,177,157.88 × 424,896.57
  4. Step 4: Simplify right side
    785,504.12x = 500,170,345,560.47
  5. Step 5: Solve for x
    x = 500,170,345,560.47/785,504.12
  6. Step 6: Final answer
    x = 636,750.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.