Home / 725,103.44-1,000,624.79-402,814.33

Finding the Fourth Proportional to 725,103.44, 1,000,624.79 and 402,814.33

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Solution

The fourth proportional to 725,103.44, 1,000,624.79 and 402,814.33 is: 555,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,103.44 : 1,000,624.79 = 402,814.33 : x
  2. Step 2: Convert to fraction form
    725,103.44/1,000,624.79 = 402,814.33/x
  3. Step 3: Cross multiply
    725,103.44x = 1,000,624.79 × 402,814.33
  4. Step 4: Simplify right side
    725,103.44x = 403,066,008,499.23
  5. Step 5: Solve for x
    x = 403,066,008,499.23/725,103.44
  6. Step 6: Final answer
    x = 555,873.80

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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.