Home / 778,402.06-1,167,652.29-329,063.78

Finding the Fourth Proportional to 778,402.06, 1,167,652.29 and 329,063.78

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Solution

The fourth proportional to 778,402.06, 1,167,652.29 and 329,063.78 is: 493,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,402.06 : 1,167,652.29 = 329,063.78 : x
  2. Step 2: Convert to fraction form
    778,402.06/1,167,652.29 = 329,063.78/x
  3. Step 3: Cross multiply
    778,402.06x = 1,167,652.29 × 329,063.78
  4. Step 4: Simplify right side
    778,402.06x = 384,232,076,273.06
  5. Step 5: Solve for x
    x = 384,232,076,273.06/778,402.06
  6. Step 6: Final answer
    x = 493,616.47

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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.