Home / 480,214.31-662,820.23-276,286.12

Finding the Fourth Proportional to 480,214.31, 662,820.23 and 276,286.12

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Solution

The fourth proportional to 480,214.31, 662,820.23 and 276,286.12 is: 381,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,214.31 : 662,820.23 = 276,286.12 : x
  2. Step 2: Convert to fraction form
    480,214.31/662,820.23 = 276,286.12/x
  3. Step 3: Cross multiply
    480,214.31x = 662,820.23 × 276,286.12
  4. Step 4: Simplify right side
    480,214.31x = 183,128,029,604.21
  5. Step 5: Solve for x
    x = 183,128,029,604.21/480,214.31
  6. Step 6: Final answer
    x = 381,346.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.