Home / 853,172.67-1,177,371.06-471,191.25

Finding the Fourth Proportional to 853,172.67, 1,177,371.06 and 471,191.25

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Solution

The fourth proportional to 853,172.67, 1,177,371.06 and 471,191.25 is: 650,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,172.67 : 1,177,371.06 = 471,191.25 : x
  2. Step 2: Convert to fraction form
    853,172.67/1,177,371.06 = 471,191.25/x
  3. Step 3: Cross multiply
    853,172.67x = 1,177,371.06 × 471,191.25
  4. Step 4: Simplify right side
    853,172.67x = 554,766,941,475.23
  5. Step 5: Solve for x
    x = 554,766,941,475.23/853,172.67
  6. Step 6: Final answer
    x = 650,239.93

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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.