Home / 685,088.20-1,027,541.58-311,025.16

Finding the Fourth Proportional to 685,088.20, 1,027,541.58 and 311,025.16

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Solution

The fourth proportional to 685,088.20, 1,027,541.58 and 311,025.16 is: 466,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,088.20 : 1,027,541.58 = 311,025.16 : x
  2. Step 2: Convert to fraction form
    685,088.20/1,027,541.58 = 311,025.16/x
  3. Step 3: Cross multiply
    685,088.20x = 1,027,541.58 × 311,025.16
  4. Step 4: Simplify right side
    685,088.20x = 319,591,284,326.15
  5. Step 5: Solve for x
    x = 319,591,284,326.15/685,088.20
  6. Step 6: Final answer
    x = 466,496.55

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1.5x scale

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.