Home / 681,523.20-1,021,929.60-254,708.16

Finding the Fourth Proportional to 681,523.20, 1,021,929.60 and 254,708.16

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Solution

The fourth proportional to 681,523.20, 1,021,929.60 and 254,708.16 is: 381,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,523.20 : 1,021,929.60 = 254,708.16 : x
  2. Step 2: Convert to fraction form
    681,523.20/1,021,929.60 = 254,708.16/x
  3. Step 3: Cross multiply
    681,523.20x = 1,021,929.60 × 254,708.16
  4. Step 4: Simplify right side
    681,523.20x = 260,293,808,065.54
  5. Step 5: Solve for x
    x = 260,293,808,065.54/681,523.20
  6. Step 6: Final answer
    x = 381,929.49

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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.