Home / 850,845.76-1,174,152.16-463,664.64

Finding the Fourth Proportional to 850,845.76, 1,174,152.16 and 463,664.64

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Solution

The fourth proportional to 850,845.76, 1,174,152.16 and 463,664.64 is: 639,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,845.76 : 1,174,152.16 = 463,664.64 : x
  2. Step 2: Convert to fraction form
    850,845.76/1,174,152.16 = 463,664.64/x
  3. Step 3: Cross multiply
    850,845.76x = 1,174,152.16 × 463,664.64
  4. Step 4: Simplify right side
    850,845.76x = 544,412,838,571.62
  5. Step 5: Solve for x
    x = 544,412,838,571.62/850,845.76
  6. Step 6: Final answer
    x = 639,849.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.