Home / 1,076,879.70-1,615,305.15-328,929.30

Finding the Fourth Proportional to 1,076,879.70, 1,615,305.15 and 328,929.30

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Solution

The fourth proportional to 1,076,879.70, 1,615,305.15 and 328,929.30 is: 493,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,879.70 : 1,615,305.15 = 328,929.30 : x
  2. Step 2: Convert to fraction form
    1,076,879.70/1,615,305.15 = 328,929.30/x
  3. Step 3: Cross multiply
    1,076,879.70x = 1,615,305.15 × 328,929.30
  4. Step 4: Simplify right side
    1,076,879.70x = 531,321,192,275.90
  5. Step 5: Solve for x
    x = 531,321,192,275.90/1,076,879.70
  6. Step 6: Final answer
    x = 493,389.55

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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.