Home / 510,749.29-704,825.28-281,328.06

Finding the Fourth Proportional to 510,749.29, 704,825.28 and 281,328.06

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Solution

The fourth proportional to 510,749.29, 704,825.28 and 281,328.06 is: 388,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,749.29 : 704,825.28 = 281,328.06 : x
  2. Step 2: Convert to fraction form
    510,749.29/704,825.28 = 281,328.06/x
  3. Step 3: Cross multiply
    510,749.29x = 704,825.28 × 281,328.06
  4. Step 4: Simplify right side
    510,749.29x = 198,287,128,661.36
  5. Step 5: Solve for x
    x = 198,287,128,661.36/510,749.29
  6. Step 6: Final answer
    x = 388,227.91

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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.