Home / 712,259.43-1,068,385.04-179,778.23

Finding the Fourth Proportional to 712,259.43, 1,068,385.04 and 179,778.23

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Solution

The fourth proportional to 712,259.43, 1,068,385.04 and 179,778.23 is: 269,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,259.43 : 1,068,385.04 = 179,778.23 : x
  2. Step 2: Convert to fraction form
    712,259.43/1,068,385.04 = 179,778.23/x
  3. Step 3: Cross multiply
    712,259.43x = 1,068,385.04 × 179,778.23
  4. Step 4: Simplify right side
    712,259.43x = 192,072,375,899.14
  5. Step 5: Solve for x
    x = 192,072,375,899.14/712,259.43
  6. Step 6: Final answer
    x = 269,666.32

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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.