Home / 712,491.12-1,068,637.86-179,979.30

Finding the Fourth Proportional to 712,491.12, 1,068,637.86 and 179,979.30

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Solution

The fourth proportional to 712,491.12, 1,068,637.86 and 179,979.30 is: 269,943.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,491.12 : 1,068,637.86 = 179,979.30 : x
  2. Step 2: Convert to fraction form
    712,491.12/1,068,637.86 = 179,979.30/x
  3. Step 3: Cross multiply
    712,491.12x = 1,068,637.86 × 179,979.30
  4. Step 4: Simplify right side
    712,491.12x = 192,332,693,996.30
  5. Step 5: Solve for x
    x = 192,332,693,996.30/712,491.12
  6. Step 6: Final answer
    x = 269,943.99

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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.