Home / 537,400.41-806,605.66-281,416.72

Finding the Fourth Proportional to 537,400.41, 806,605.66 and 281,416.72

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Solution

The fourth proportional to 537,400.41, 806,605.66 and 281,416.72 is: 422,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,400.41 : 806,605.66 = 281,416.72 : x
  2. Step 2: Convert to fraction form
    537,400.41/806,605.66 = 281,416.72/x
  3. Step 3: Cross multiply
    537,400.41x = 806,605.66 × 281,416.72
  4. Step 4: Simplify right side
    537,400.41x = 226,992,315,137.61
  5. Step 5: Solve for x
    x = 226,992,315,137.61/537,400.41
  6. Step 6: Final answer
    x = 422,389.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.