Home / 537,865.20-806,541.60-313,288.32

Finding the Fourth Proportional to 537,865.20, 806,541.60 and 313,288.32

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Solution

The fourth proportional to 537,865.20, 806,541.60 and 313,288.32 is: 469,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,865.20 : 806,541.60 = 313,288.32 : x
  2. Step 2: Convert to fraction form
    537,865.20/806,541.60 = 313,288.32/x
  3. Step 3: Cross multiply
    537,865.20x = 806,541.60 × 313,288.32
  4. Step 4: Simplify right side
    537,865.20x = 252,680,062,874.11
  5. Step 5: Solve for x
    x = 252,680,062,874.11/537,865.20
  6. Step 6: Final answer
    x = 469,783.25

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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.