Home / 712,508.64-1,068,664.12-179,996.80

Finding the Fourth Proportional to 712,508.64, 1,068,664.12 and 179,996.80

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Solution

The fourth proportional to 712,508.64, 1,068,664.12 and 179,996.80 is: 269,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,508.64 : 1,068,664.12 = 179,996.80 : x
  2. Step 2: Convert to fraction form
    712,508.64/1,068,664.12 = 179,996.80/x
  3. Step 3: Cross multiply
    712,508.64x = 1,068,664.12 × 179,996.80
  4. Step 4: Simplify right side
    712,508.64x = 192,356,121,874.82
  5. Step 5: Solve for x
    x = 192,356,121,874.82/712,508.64
  6. Step 6: Final answer
    x = 269,970.23

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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.