Home / 767,991.60-1,059,887.88-423,894.96

Finding the Fourth Proportional to 767,991.60, 1,059,887.88 and 423,894.96

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Solution

The fourth proportional to 767,991.60, 1,059,887.88 and 423,894.96 is: 585,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,991.60 : 1,059,887.88 = 423,894.96 : x
  2. Step 2: Convert to fraction form
    767,991.60/1,059,887.88 = 423,894.96/x
  3. Step 3: Cross multiply
    767,991.60x = 1,059,887.88 × 423,894.96
  4. Step 4: Simplify right side
    767,991.60x = 449,281,130,497.09
  5. Step 5: Solve for x
    x = 449,281,130,497.09/767,991.60
  6. Step 6: Final answer
    x = 585,007.87

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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.