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Finding the Fourth Proportional to 608,863.76, 912,803.45 and 254,143.29

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Solution

The fourth proportional to 608,863.76, 912,803.45 and 254,143.29 is: 381,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,863.76 : 912,803.45 = 254,143.29 : x
  2. Step 2: Convert to fraction form
    608,863.76/912,803.45 = 254,143.29/x
  3. Step 3: Cross multiply
    608,863.76x = 912,803.45 × 254,143.29
  4. Step 4: Simplify right side
    608,863.76x = 231,982,871,906.35
  5. Step 5: Solve for x
    x = 231,982,871,906.35/608,863.76
  6. Step 6: Final answer
    x = 381,009.50

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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.