Home / 773,073.17-1,066,804.97-428,905.43

Finding the Fourth Proportional to 773,073.17, 1,066,804.97 and 428,905.43

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Solution

The fourth proportional to 773,073.17, 1,066,804.97 and 428,905.43 is: 591,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,073.17 : 1,066,804.97 = 428,905.43 : x
  2. Step 2: Convert to fraction form
    773,073.17/1,066,804.97 = 428,905.43/x
  3. Step 3: Cross multiply
    773,073.17x = 1,066,804.97 × 428,905.43
  4. Step 4: Simplify right side
    773,073.17x = 457,558,444,383.99
  5. Step 5: Solve for x
    x = 457,558,444,383.99/773,073.17
  6. Step 6: Final answer
    x = 591,869.52

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1.5x scale

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.