Home / 510,747.16-704,863.09-281,304.40

Finding the Fourth Proportional to 510,747.16, 704,863.09 and 281,304.40

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Solution

The fourth proportional to 510,747.16, 704,863.09 and 281,304.40 is: 388,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,747.16 : 704,863.09 = 281,304.40 : x
  2. Step 2: Convert to fraction form
    510,747.16/704,863.09 = 281,304.40/x
  3. Step 3: Cross multiply
    510,747.16x = 704,863.09 × 281,304.40
  4. Step 4: Simplify right side
    510,747.16x = 198,281,085,090.28
  5. Step 5: Solve for x
    x = 198,281,085,090.28/510,747.16
  6. Step 6: Final answer
    x = 388,217.70

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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.