Home / 725,172.42-1,000,415.97-483,218.94

Finding the Fourth Proportional to 725,172.42, 1,000,415.97 and 483,218.94

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Solution

The fourth proportional to 725,172.42, 1,000,415.97 and 483,218.94 is: 666,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,172.42 : 1,000,415.97 = 483,218.94 : x
  2. Step 2: Convert to fraction form
    725,172.42/1,000,415.97 = 483,218.94/x
  3. Step 3: Cross multiply
    725,172.42x = 1,000,415.97 × 483,218.94
  4. Step 4: Simplify right side
    725,172.42x = 483,419,944,582.47
  5. Step 5: Solve for x
    x = 483,419,944,582.47/725,172.42
  6. Step 6: Final answer
    x = 666,627.59

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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.