Home / 791,523.19-1,187,506.37-259,417.89

Finding the Fourth Proportional to 791,523.19, 1,187,506.37 and 259,417.89

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Solution

The fourth proportional to 791,523.19, 1,187,506.37 and 259,417.89 is: 389,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,523.19 : 1,187,506.37 = 259,417.89 : x
  2. Step 2: Convert to fraction form
    791,523.19/1,187,506.37 = 259,417.89/x
  3. Step 3: Cross multiply
    791,523.19x = 1,187,506.37 × 259,417.89
  4. Step 4: Simplify right side
    791,523.19x = 308,060,397,515.50
  5. Step 5: Solve for x
    x = 308,060,397,515.50/791,523.19
  6. Step 6: Final answer
    x = 389,199.46

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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.