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Finding the Fourth Proportional to 662,258.92, 992,610.30 and 306,521.56

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Solution

The fourth proportional to 662,258.92, 992,610.30 and 306,521.56 is: 459,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,258.92 : 992,610.30 = 306,521.56 : x
  2. Step 2: Convert to fraction form
    662,258.92/992,610.30 = 306,521.56/x
  3. Step 3: Cross multiply
    662,258.92x = 992,610.30 × 306,521.56
  4. Step 4: Simplify right side
    662,258.92x = 304,256,457,628.07
  5. Step 5: Solve for x
    x = 304,256,457,628.07/662,258.92
  6. Step 6: Final answer
    x = 459,422.21

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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.