Home / 725,310.69-1,000,672.99-414,986.63

Finding the Fourth Proportional to 725,310.69, 1,000,672.99 and 414,986.63

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Solution

The fourth proportional to 725,310.69, 1,000,672.99 and 414,986.63 is: 572,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,310.69 : 1,000,672.99 = 414,986.63 : x
  2. Step 2: Convert to fraction form
    725,310.69/1,000,672.99 = 414,986.63/x
  3. Step 3: Cross multiply
    725,310.69x = 1,000,672.99 × 414,986.63
  4. Step 4: Simplify right side
    725,310.69x = 415,265,905,811.29
  5. Step 5: Solve for x
    x = 415,265,905,811.29/725,310.69
  6. Step 6: Final answer
    x = 572,535.21

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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.