Home / 685,527.60-1,028,501.46-306,767.10

Finding the Fourth Proportional to 685,527.60, 1,028,501.46 and 306,767.10

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Solution

The fourth proportional to 685,527.60, 1,028,501.46 and 306,767.10 is: 460,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,527.60 : 1,028,501.46 = 306,767.10 : x
  2. Step 2: Convert to fraction form
    685,527.60/1,028,501.46 = 306,767.10/x
  3. Step 3: Cross multiply
    685,527.60x = 1,028,501.46 × 306,767.10
  4. Step 4: Simplify right side
    685,527.60x = 315,510,410,229.97
  5. Step 5: Solve for x
    x = 315,510,410,229.97/685,527.60
  6. Step 6: Final answer
    x = 460,244.65

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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.