Home / 768,032.25-1,059,944.63-423,936.51

Finding the Fourth Proportional to 768,032.25, 1,059,944.63 and 423,936.51

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Solution

The fourth proportional to 768,032.25, 1,059,944.63 and 423,936.51 is: 585,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,032.25 : 1,059,944.63 = 423,936.51 : x
  2. Step 2: Convert to fraction form
    768,032.25/1,059,944.63 = 423,936.51/x
  3. Step 3: Cross multiply
    768,032.25x = 1,059,944.63 × 423,936.51
  4. Step 4: Simplify right side
    768,032.25x = 449,349,219,816.04
  5. Step 5: Solve for x
    x = 449,349,219,816.04/768,032.25
  6. Step 6: Final answer
    x = 585,065.57

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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.