Home / 725,011.46-1,000,354.75-438,525.39

Finding the Fourth Proportional to 725,011.46, 1,000,354.75 and 438,525.39

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Solution

The fourth proportional to 725,011.46, 1,000,354.75 and 438,525.39 is: 605,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,011.46 : 1,000,354.75 = 438,525.39 : x
  2. Step 2: Convert to fraction form
    725,011.46/1,000,354.75 = 438,525.39/x
  3. Step 3: Cross multiply
    725,011.46x = 1,000,354.75 × 438,525.39
  4. Step 4: Simplify right side
    725,011.46x = 438,680,956,882.10
  5. Step 5: Solve for x
    x = 438,680,956,882.10/725,011.46
  6. Step 6: Final answer
    x = 605,067.62

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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.