Home / 537,631.20-806,884.20-520,135.20

Finding the Fourth Proportional to 537,631.20, 806,884.20 and 520,135.20

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Solution

The fourth proportional to 537,631.20, 806,884.20 and 520,135.20 is: 780,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,631.20 : 806,884.20 = 520,135.20 : x
  2. Step 2: Convert to fraction form
    537,631.20/806,884.20 = 520,135.20/x
  3. Step 3: Cross multiply
    537,631.20x = 806,884.20 × 520,135.20
  4. Step 4: Simplify right side
    537,631.20x = 419,688,874,743.84
  5. Step 5: Solve for x
    x = 419,688,874,743.84/537,631.20
  6. Step 6: Final answer
    x = 780,625.97

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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.