Home / 376,834.28-520,025.40-207,064.76

Finding the Fourth Proportional to 376,834.28, 520,025.40 and 207,064.76

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Solution

The fourth proportional to 376,834.28, 520,025.40 and 207,064.76 is: 285,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,834.28 : 520,025.40 = 207,064.76 : x
  2. Step 2: Convert to fraction form
    376,834.28/520,025.40 = 207,064.76/x
  3. Step 3: Cross multiply
    376,834.28x = 520,025.40 × 207,064.76
  4. Step 4: Simplify right side
    376,834.28x = 107,678,932,044.78
  5. Step 5: Solve for x
    x = 107,678,932,044.78/376,834.28
  6. Step 6: Final answer
    x = 285,746.12

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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.