Home / 768,031.75-1,059,943.93-423,936

Finding the Fourth Proportional to 768,031.75, 1,059,943.93 and 423,936

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Solution

The fourth proportional to 768,031.75, 1,059,943.93 and 423,936 is: 585,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,031.75 : 1,059,943.93 = 423,936 : x
  2. Step 2: Convert to fraction form
    768,031.75/1,059,943.93 = 423,936/x
  3. Step 3: Cross multiply
    768,031.75x = 1,059,943.93 × 423,936
  4. Step 4: Simplify right side
    768,031.75x = 449,348,389,908.48
  5. Step 5: Solve for x
    x = 449,348,389,908.48/768,031.75
  6. Step 6: Final answer
    x = 585,064.86

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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.