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Finding the Fourth Proportional to 510,832.15, 704,897.90 and 284,498.71

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Solution

The fourth proportional to 510,832.15, 704,897.90 and 284,498.71 is: 392,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,832.15 : 704,897.90 = 284,498.71 : x
  2. Step 2: Convert to fraction form
    510,832.15/704,897.90 = 284,498.71/x
  3. Step 3: Cross multiply
    510,832.15x = 704,897.90 × 284,498.71
  4. Step 4: Simplify right side
    510,832.15x = 200,542,543,231.71
  5. Step 5: Solve for x
    x = 200,542,543,231.71/510,832.15
  6. Step 6: Final answer
    x = 392,580.11

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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.