Home / 510,619.71-704,649.27-281,172.24

Finding the Fourth Proportional to 510,619.71, 704,649.27 and 281,172.24

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Solution

The fourth proportional to 510,619.71, 704,649.27 and 281,172.24 is: 388,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,619.71 : 704,649.27 = 281,172.24 : x
  2. Step 2: Convert to fraction form
    510,619.71/704,649.27 = 281,172.24/x
  3. Step 3: Cross multiply
    510,619.71x = 704,649.27 × 281,172.24
  4. Step 4: Simplify right side
    510,619.71x = 198,127,813,660.27
  5. Step 5: Solve for x
    x = 198,127,813,660.27/510,619.71
  6. Step 6: Final answer
    x = 388,014.43

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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.