Home / 970,894.94-1,455,914.73-521,481.02

Finding the Fourth Proportional to 970,894.94, 1,455,914.73 and 521,481.02

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Solution

The fourth proportional to 970,894.94, 1,455,914.73 and 521,481.02 is: 781,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,894.94 : 1,455,914.73 = 521,481.02 : x
  2. Step 2: Convert to fraction form
    970,894.94/1,455,914.73 = 521,481.02/x
  3. Step 3: Cross multiply
    970,894.94x = 1,455,914.73 × 521,481.02
  4. Step 4: Simplify right side
    970,894.94x = 759,231,898,433.43
  5. Step 5: Solve for x
    x = 759,231,898,433.43/970,894.94
  6. Step 6: Final answer
    x = 781,991.82

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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.