Home / 510,749.96-704,828.28-281,302.88

Finding the Fourth Proportional to 510,749.96, 704,828.28 and 281,302.88

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Solution

The fourth proportional to 510,749.96, 704,828.28 and 281,302.88 is: 388,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,749.96 : 704,828.28 = 281,302.88 : x
  2. Step 2: Convert to fraction form
    510,749.96/704,828.28 = 281,302.88/x
  3. Step 3: Cross multiply
    510,749.96x = 704,828.28 × 281,302.88
  4. Step 4: Simplify right side
    510,749.96x = 198,270,225,069.45
  5. Step 5: Solve for x
    x = 198,270,225,069.45/510,749.96
  6. Step 6: Final answer
    x = 388,194.30

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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.