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Finding the Fourth Proportional to 492,754.92, 680,018.04 and 286,007.34

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Solution

The fourth proportional to 492,754.92, 680,018.04 and 286,007.34 is: 394,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,754.92 : 680,018.04 = 286,007.34 : x
  2. Step 2: Convert to fraction form
    492,754.92/680,018.04 = 286,007.34/x
  3. Step 3: Cross multiply
    492,754.92x = 680,018.04 × 286,007.34
  4. Step 4: Simplify right side
    492,754.92x = 194,490,150,772.41
  5. Step 5: Solve for x
    x = 194,490,150,772.41/492,754.92
  6. Step 6: Final answer
    x = 394,699.56

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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.