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Finding the Fourth Proportional to 662,012.30, 992,240.84 and 306,274.88

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Solution

The fourth proportional to 662,012.30, 992,240.84 and 306,274.88 is: 459,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,012.30 : 992,240.84 = 306,274.88 : x
  2. Step 2: Convert to fraction form
    662,012.30/992,240.84 = 306,274.88/x
  3. Step 3: Cross multiply
    662,012.30x = 992,240.84 × 306,274.88
  4. Step 4: Simplify right side
    662,012.30x = 303,898,444,202.10
  5. Step 5: Solve for x
    x = 303,898,444,202.10/662,012.30
  6. Step 6: Final answer
    x = 459,052.56

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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.