Home / 510,621.71-704,652.03-281,174.24

Finding the Fourth Proportional to 510,621.71, 704,652.03 and 281,174.24

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Solution

The fourth proportional to 510,621.71, 704,652.03 and 281,174.24 is: 388,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,621.71 : 704,652.03 = 281,174.24 : x
  2. Step 2: Convert to fraction form
    510,621.71/704,652.03 = 281,174.24/x
  3. Step 3: Cross multiply
    510,621.71x = 704,652.03 × 281,174.24
  4. Step 4: Simplify right side
    510,621.71x = 198,129,998,999.71
  5. Step 5: Solve for x
    x = 198,129,998,999.71/510,621.71
  6. Step 6: Final answer
    x = 388,017.19

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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.