Home / 768,031.75-1,059,943.94-423,936.01

Finding the Fourth Proportional to 768,031.75, 1,059,943.94 and 423,936.01

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Solution

The fourth proportional to 768,031.75, 1,059,943.94 and 423,936.01 is: 585,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,031.75 : 1,059,943.94 = 423,936.01 : x
  2. Step 2: Convert to fraction form
    768,031.75/1,059,943.94 = 423,936.01/x
  3. Step 3: Cross multiply
    768,031.75x = 1,059,943.94 × 423,936.01
  4. Step 4: Simplify right side
    768,031.75x = 449,348,397,327.88
  5. Step 5: Solve for x
    x = 449,348,397,327.88/768,031.75
  6. Step 6: Final answer
    x = 585,064.88

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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.