Home / 753,981.21-1,040,328.97-448,159.23

Finding the Fourth Proportional to 753,981.21, 1,040,328.97 and 448,159.23

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Solution

The fourth proportional to 753,981.21, 1,040,328.97 and 448,159.23 is: 618,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,981.21 : 1,040,328.97 = 448,159.23 : x
  2. Step 2: Convert to fraction form
    753,981.21/1,040,328.97 = 448,159.23/x
  3. Step 3: Cross multiply
    753,981.21x = 1,040,328.97 × 448,159.23
  4. Step 4: Simplify right side
    753,981.21x = 466,233,029,021.50
  5. Step 5: Solve for x
    x = 466,233,029,021.50/753,981.21
  6. Step 6: Final answer
    x = 618,361.60

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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.