Home / 712,262.42-1,068,389.54-179,781.24

Finding the Fourth Proportional to 712,262.42, 1,068,389.54 and 179,781.24

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Solution

The fourth proportional to 712,262.42, 1,068,389.54 and 179,781.24 is: 269,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,262.42 : 1,068,389.54 = 179,781.24 : x
  2. Step 2: Convert to fraction form
    712,262.42/1,068,389.54 = 179,781.24/x
  3. Step 3: Cross multiply
    712,262.42x = 1,068,389.54 × 179,781.24
  4. Step 4: Simplify right side
    712,262.42x = 192,076,396,304.23
  5. Step 5: Solve for x
    x = 192,076,396,304.23/712,262.42
  6. Step 6: Final answer
    x = 269,670.83

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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.