Home / 510,634.14-704,676.15-284,287.74

Finding the Fourth Proportional to 510,634.14, 704,676.15 and 284,287.74

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Solution

The fourth proportional to 510,634.14, 704,676.15 and 284,287.74 is: 392,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,634.14 : 704,676.15 = 284,287.74 : x
  2. Step 2: Convert to fraction form
    510,634.14/704,676.15 = 284,287.74/x
  3. Step 3: Cross multiply
    510,634.14x = 704,676.15 × 284,287.74
  4. Step 4: Simplify right side
    510,634.14x = 200,330,790,115.40
  5. Step 5: Solve for x
    x = 200,330,790,115.40/510,634.14
  6. Step 6: Final answer
    x = 392,317.66

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1.5x scale

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.